Vulnerability-Lookup

alsa-2025:15011

Vulnerability from osv_almalinux

Published

2025-09-02 00:00

Modified

2025-09-29 09:19

Summary

Important: kernel security update

Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too (CVE-2025-37823)
kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw (CVE-2025-38200)
kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction (CVE-2025-38211)
kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)
kernel: tipc: Fix use-after-free in tipc_conn_close() (CVE-2025-38464)
kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)
kernel: xfrm: interface: fix use-after-free after changing collect_md xfrm interface (CVE-2025-38500)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

To clipboard

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  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.  \n\nSecurity Fix(es):  \n\n  * kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too (CVE-2025-37823)\n  * kernel: i40e: fix MMIO write access to an invalid page in i40e_clear_hw (CVE-2025-38200)\n  * kernel: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction (CVE-2025-38211)\n  * kernel: net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)\n  * kernel: tipc: Fix use-after-free in tipc_conn_close() (CVE-2025-38464)\n  * kernel: vsock: Fix transport_* TOCTOU (CVE-2025-38461)\n  * kernel: xfrm: interface: fix use-after-free after changing collect_md xfrm interface (CVE-2025-38500)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2025:15011",
  "modified": "2025-09-29T09:19:38Z",
  "published": "2025-09-02T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:15011"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2365024"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2376392"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2376406"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2382054"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2383509"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2383513"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2387866"
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    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2025-15011.html"
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      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-37823.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38200.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38211.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38350.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38461.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38464.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38500.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2025-38684.html"
    }
  ],
  "related": [
    "CVE-2025-37823",
    "CVE-2025-38200",
    "CVE-2025-38211",
    "CVE-2025-38350",
    "CVE-2025-38464",
    "CVE-2025-38461",
    "CVE-2025-38500"
  ],
  "summary": "Important: kernel security update"
}

CVE-2025-37823 (GCVE-0-2025-37823)

Vulnerability from cvelistv5 – Published: 2025-05-08 06:26 – Updated: 2025-11-03 19:55

Title

net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

Summary

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/68f256305ceb426d5…
	https://git.kernel.org/stable/c/2f46d14919c39528c…
	https://git.kernel.org/stable/c/da7936518996d290e…
	https://git.kernel.org/stable/c/11bccb054c1462fb0…
	https://git.kernel.org/stable/c/76c4c22c2437d3d38…
	https://git.kernel.org/stable/c/c6f035044104c6ff6…
	https://git.kernel.org/stable/c/c6936266f8bf98a53…
	https://git.kernel.org/stable/c/6ccbda44e2cc3d26f…

Impacted products

Vendor

Product

Version

Linux

Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 68f256305ceb426d545a0dc31f83c2ab1d211a1e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2f46d14919c39528c6e540ebc43f90055993eedc (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < da7936518996d290e2fcfcaf6cd7e15bfd87804a (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 11bccb054c1462fb069219f8e98e97a5a730758e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 76c4c22c2437d3d3880efc0f62eca06ef078d290 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c6f035044104c6ff656f4565cd22938dc892528c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c6936266f8bf98a53f28ef9a820e6a501e946d09 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 6ccbda44e2cc3d26fd22af54c650d6d5d801addf (git)

Linux

Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.4.293 , ≤ 5.4.* (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.136 , ≤ 6.1.* (semver)
Unaffected: 6.6.89 , ≤ 6.6.* (semver)
Unaffected: 6.12.26 , ≤ 6.12.* (semver)
Unaffected: 6.14.5 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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          "url": "https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e"
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CVE-2025-38350 (GCVE-0-2025-38350)

Vulnerability from cvelistv5 – Published: 2025-07-19 06:46 – Updated: 2025-11-03 17:37

Title

net/sched: Always pass notifications when child class becomes empty

Summary

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the child qdisc and thus make an in-flight class passive via qlen_notify(). Most qdiscs do not expect such behaviour at this point in time and may re-activate the class eventually anyways which will lead to a use-after-free. The referenced fix commit attempted to fix this behavior for the HFSC case by moving the backlog accounting around, though this turned out to be incomplete since the parent's parent may run into the issue too. The following reproducer demonstrates this use-after-free: tc qdisc add dev lo root handle 1: drr tc filter add dev lo parent 1: basic classid 1:1 tc class add dev lo parent 1: classid 1:1 drr tc qdisc add dev lo parent 1:1 handle 2: hfsc def 1 tc class add dev lo parent 2: classid 2:1 hfsc rt m1 8 d 1 m2 0 tc qdisc add dev lo parent 2:1 handle 3: netem tc qdisc add dev lo parent 3:1 handle 4: blackhole echo 1 | socat -u STDIN UDP4-DATAGRAM:127.0.0.1:8888 tc class delete dev lo classid 1:1 echo 1 | socat -u STDIN UDP4-DATAGRAM:127.0.0.1:8888 Since backlog accounting issues leading to a use-after-frees on stale class pointers is a recurring pattern at this point, this patch takes a different approach. Instead of trying to fix the accounting, the patch ensures that qdisc_tree_reduce_backlog always calls qlen_notify when the child qdisc is empty. This solves the problem because deletion of qdiscs always involves a call to qdisc_reset() and / or qdisc_purge_queue() which ultimately resets its qlen to 0 thus causing the following qdisc_tree_reduce_backlog() to report to the parent. Note that this may call qlen_notify on passive classes multiple times. This is not a problem after the recent patch series that made all the classful qdiscs qlen_notify() handlers idempotent.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/3b290923ad2b23596…
	https://git.kernel.org/stable/c/e9921b57dca05ac5f…
	https://git.kernel.org/stable/c/e269f29e9395527bc…
	https://git.kernel.org/stable/c/7874c9c132e906a52…
	https://git.kernel.org/stable/c/f680a4643c6f71e75…
	https://git.kernel.org/stable/c/a553afd91f55ff39b…
	https://git.kernel.org/stable/c/a44acdd9e84a21198…
	https://git.kernel.org/stable/c/103406b38c600fec1…

Impacted products

Vendor

Product

Version

Linux

Affected: 1034e3310752e8675e313f7271b348914008719a , < 3b290923ad2b23596208c1e29520badef4356a43 (git)
Affected: f9f593e34d2fb67644372c8f7b033bdc622ad228 , < e9921b57dca05ac5f4fa1fa8e993d4f0ee52e2b7 (git)
Affected: 89c301e929a0db14ebd94b4d97764ce1d6981653 , < e269f29e9395527bc00c213c6b15da04ebb35070 (git)
Affected: f1dde3eb17dc1b8bd07aed00004b1e05fc87a3d4 , < 7874c9c132e906a52a187d045995b115973c93fb (git)
Affected: 93c276942e75de0e5bc91576300d292e968f5a02 , < f680a4643c6f71e758d8fe0431a958e9a6a4f59d (git)
Affected: 49b21795b8e5654a7df3d910a12e1060da4c04cf , < a553afd91f55ff39b1e8a1c4989a29394c9e0472 (git)
Affected: 3f981138109f63232a5fb7165938d4c945cc1b9d , < a44acdd9e84a211989ff4b9b92bf3545d8456ad5 (git)
Affected: 3f981138109f63232a5fb7165938d4c945cc1b9d , < 103406b38c600fec1fe375a77b27d87e314aea09 (git)
Affected: 3f3a22eebbc32b4fa8ce9c1d5f9db214b45b9335 (git)

Linux

Affected: 6.15
Unaffected: 0 , < 6.15 (semver)
Unaffected: 5.4.296 , ≤ 5.4.* (semver)
Unaffected: 5.10.240 , ≤ 5.10.* (semver)
Unaffected: 5.15.187 , ≤ 5.15.* (semver)
Unaffected: 6.1.144 , ≤ 6.1.* (semver)
Unaffected: 6.6.97 , ≤ 6.6.* (semver)
Unaffected: 6.12.37 , ≤ 6.12.* (semver)
Unaffected: 6.15.6 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

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CVE-2025-38211 (GCVE-0-2025-38211)

Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2025-11-03 17:35

Title

RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplified cm_id resource management by freeing cm_id once all references to the cm_id were removed. The references are removed either upon completion of iw_cm event handlers or when the application destroys the cm_id. This commit introduced the use-after-free condition where cm_id_private object could still be in use by event handler works during the destruction of cm_id. The commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs") addressed this use-after- free by flushing all pending works at the cm_id destruction. However, still another use-after-free possibility remained. It happens with the work objects allocated for each cm_id_priv within alloc_work_entries() during cm_id creation, and subsequently freed in dealloc_work_entries() once all references to the cm_id are removed. If the cm_id's last reference is decremented in the event handler work, the work object for the work itself gets removed, and causes the use- after-free BUG below: BUG: KASAN: slab-use-after-free in __pwq_activate_work+0x1ff/0x250 Read of size 8 at addr ffff88811f9cf800 by task kworker/u16:1/147091 CPU: 2 UID: 0 PID: 147091 Comm: kworker/u16:1 Not tainted 6.15.0-rc2+ #27 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014 Workqueue: 0x0 (iw_cm_wq) Call Trace: <TASK> dump_stack_lvl+0x6a/0x90 print_report+0x174/0x554 ? __virt_addr_valid+0x208/0x430 ? __pwq_activate_work+0x1ff/0x250 kasan_report+0xae/0x170 ? __pwq_activate_work+0x1ff/0x250 __pwq_activate_work+0x1ff/0x250 pwq_dec_nr_in_flight+0x8c5/0xfb0 process_one_work+0xc11/0x1460 ? __pfx_process_one_work+0x10/0x10 ? assign_work+0x16c/0x240 worker_thread+0x5ef/0xfd0 ? __pfx_worker_thread+0x10/0x10 kthread+0x3b0/0x770 ? __pfx_kthread+0x10/0x10 ? rcu_is_watching+0x11/0xb0 ? _raw_spin_unlock_irq+0x24/0x50 ? rcu_is_watching+0x11/0xb0 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x30/0x70 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1a/0x30 </TASK> Allocated by task 147416: kasan_save_stack+0x2c/0x50 kasan_save_track+0x10/0x30 __kasan_kmalloc+0xa6/0xb0 alloc_work_entries+0xa9/0x260 [iw_cm] iw_cm_connect+0x23/0x4a0 [iw_cm] rdma_connect_locked+0xbfd/0x1920 [rdma_cm] nvme_rdma_cm_handler+0x8e5/0x1b60 [nvme_rdma] cma_cm_event_handler+0xae/0x320 [rdma_cm] cma_work_handler+0x106/0x1b0 [rdma_cm] process_one_work+0x84f/0x1460 worker_thread+0x5ef/0xfd0 kthread+0x3b0/0x770 ret_from_fork+0x30/0x70 ret_from_fork_asm+0x1a/0x30 Freed by task 147091: kasan_save_stack+0x2c/0x50 kasan_save_track+0x10/0x30 kasan_save_free_info+0x37/0x60 __kasan_slab_free+0x4b/0x70 kfree+0x13a/0x4b0 dealloc_work_entries+0x125/0x1f0 [iw_cm] iwcm_deref_id+0x6f/0xa0 [iw_cm] cm_work_handler+0x136/0x1ba0 [iw_cm] process_one_work+0x84f/0x1460 worker_thread+0x5ef/0xfd0 kthread+0x3b0/0x770 ret_from_fork+0x30/0x70 ret_from_fork_asm+0x1a/0x30 Last potentially related work creation: kasan_save_stack+0x2c/0x50 kasan_record_aux_stack+0xa3/0xb0 __queue_work+0x2ff/0x1390 queue_work_on+0x67/0xc0 cm_event_handler+0x46a/0x820 [iw_cm] siw_cm_upcall+0x330/0x650 [siw] siw_cm_work_handler+0x6b9/0x2b20 [siw] process_one_work+0x84f/0x1460 worker_thread+0x5ef/0xfd0 kthread+0x3b0/0x770 ret_from_fork+0x30/0x70 ret_from_fork_asm+0x1a/0x30 This BUG is reproducible by repeating the blktests test case nvme/061 for the rdma transport and the siw driver. To avoid the use-after-free of cm_id_private work objects, ensure that the last reference to the cm_id is decremented not in the event handler works, but in the cm_id destruction context. For that purpose, mo ---truncated---

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/013dcdf6f03bcedba…
	https://git.kernel.org/stable/c/bf7eff5e3a36c54bb…
	https://git.kernel.org/stable/c/3b4a50d733acad683…
	https://git.kernel.org/stable/c/78381dc8a6b61c9bb…
	https://git.kernel.org/stable/c/23a707bbcbea468ee…
	https://git.kernel.org/stable/c/764c9f69beabef8bd…
	https://git.kernel.org/stable/c/fd960b5ddf4faf00d…
	https://git.kernel.org/stable/c/6883b680e703c6b2e…

Impacted products

Vendor

Product

Version

Linux

Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 013dcdf6f03bcedbaf1669e3db71c34a197715b2 (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < bf7eff5e3a36c54bbe8aff7fd6dd7c07490b81c5 (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 3b4a50d733acad6831f6bd9288a76a80f70650ac (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 78381dc8a6b61c9bb9987d37b4d671b99767c4a1 (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 23a707bbcbea468eedb398832eeb7e8e0ceafd21 (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 764c9f69beabef8bdc651a7746c59f7a340d104f (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < fd960b5ddf4faf00da43babdd3acda68842e1f6a (git)
Affected: 59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 , < 6883b680e703c6b2efddb4e7a8d891ce1803d06b (git)

Linux

Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 5.4.296 , ≤ 5.4.* (semver)
Unaffected: 5.10.240 , ≤ 5.10.* (semver)
Unaffected: 5.15.186 , ≤ 5.15.* (semver)
Unaffected: 6.1.142 , ≤ 6.1.* (semver)
Unaffected: 6.6.95 , ≤ 6.6.* (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

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To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:35:29.579Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
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    "cna": {
      "affected": [
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          "product": "Linux",
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          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/core/iwcm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.8"
            },
            {
              "lessThan": "4.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.296",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.240",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.186",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.142",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.95",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.296",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.240",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.186",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.142",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.95",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.35",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.4",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "4.8",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/iwcm: Fix use-after-free of work objects after cm_id destruction\n\nThe commit 59c68ac31e15 (\"iw_cm: free cm_id resources on the last\nderef\") simplified cm_id resource management by freeing cm_id once all\nreferences to the cm_id were removed. The references are removed either\nupon completion of iw_cm event handlers or when the application destroys\nthe cm_id. This commit introduced the use-after-free condition where\ncm_id_private object could still be in use by event handler works during\nthe destruction of cm_id. The commit aee2424246f9 (\"RDMA/iwcm: Fix a\nuse-after-free related to destroying CM IDs\") addressed this use-after-\nfree by flushing all pending works at the cm_id destruction.\n\nHowever, still another use-after-free possibility remained. It happens\nwith the work objects allocated for each cm_id_priv within\nalloc_work_entries() during cm_id creation, and subsequently freed in\ndealloc_work_entries() once all references to the cm_id are removed.\nIf the cm_id\u0027s last reference is decremented in the event handler work,\nthe work object for the work itself gets removed, and causes the use-\nafter-free BUG below:\n\n  BUG: KASAN: slab-use-after-free in __pwq_activate_work+0x1ff/0x250\n  Read of size 8 at addr ffff88811f9cf800 by task kworker/u16:1/147091\n\n  CPU: 2 UID: 0 PID: 147091 Comm: kworker/u16:1 Not tainted 6.15.0-rc2+ #27 PREEMPT(voluntary)\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-3.fc41 04/01/2014\n  Workqueue:  0x0 (iw_cm_wq)\n  Call Trace:\n   \u003cTASK\u003e\n   dump_stack_lvl+0x6a/0x90\n   print_report+0x174/0x554\n   ? __virt_addr_valid+0x208/0x430\n   ? __pwq_activate_work+0x1ff/0x250\n   kasan_report+0xae/0x170\n   ? __pwq_activate_work+0x1ff/0x250\n   __pwq_activate_work+0x1ff/0x250\n   pwq_dec_nr_in_flight+0x8c5/0xfb0\n   process_one_work+0xc11/0x1460\n   ? __pfx_process_one_work+0x10/0x10\n   ? assign_work+0x16c/0x240\n   worker_thread+0x5ef/0xfd0\n   ? __pfx_worker_thread+0x10/0x10\n   kthread+0x3b0/0x770\n   ? __pfx_kthread+0x10/0x10\n   ? rcu_is_watching+0x11/0xb0\n   ? _raw_spin_unlock_irq+0x24/0x50\n   ? rcu_is_watching+0x11/0xb0\n   ? __pfx_kthread+0x10/0x10\n   ret_from_fork+0x30/0x70\n   ? __pfx_kthread+0x10/0x10\n   ret_from_fork_asm+0x1a/0x30\n   \u003c/TASK\u003e\n\n  Allocated by task 147416:\n   kasan_save_stack+0x2c/0x50\n   kasan_save_track+0x10/0x30\n   __kasan_kmalloc+0xa6/0xb0\n   alloc_work_entries+0xa9/0x260 [iw_cm]\n   iw_cm_connect+0x23/0x4a0 [iw_cm]\n   rdma_connect_locked+0xbfd/0x1920 [rdma_cm]\n   nvme_rdma_cm_handler+0x8e5/0x1b60 [nvme_rdma]\n   cma_cm_event_handler+0xae/0x320 [rdma_cm]\n   cma_work_handler+0x106/0x1b0 [rdma_cm]\n   process_one_work+0x84f/0x1460\n   worker_thread+0x5ef/0xfd0\n   kthread+0x3b0/0x770\n   ret_from_fork+0x30/0x70\n   ret_from_fork_asm+0x1a/0x30\n\n  Freed by task 147091:\n   kasan_save_stack+0x2c/0x50\n   kasan_save_track+0x10/0x30\n   kasan_save_free_info+0x37/0x60\n   __kasan_slab_free+0x4b/0x70\n   kfree+0x13a/0x4b0\n   dealloc_work_entries+0x125/0x1f0 [iw_cm]\n   iwcm_deref_id+0x6f/0xa0 [iw_cm]\n   cm_work_handler+0x136/0x1ba0 [iw_cm]\n   process_one_work+0x84f/0x1460\n   worker_thread+0x5ef/0xfd0\n   kthread+0x3b0/0x770\n   ret_from_fork+0x30/0x70\n   ret_from_fork_asm+0x1a/0x30\n\n  Last potentially related work creation:\n   kasan_save_stack+0x2c/0x50\n   kasan_record_aux_stack+0xa3/0xb0\n   __queue_work+0x2ff/0x1390\n   queue_work_on+0x67/0xc0\n   cm_event_handler+0x46a/0x820 [iw_cm]\n   siw_cm_upcall+0x330/0x650 [siw]\n   siw_cm_work_handler+0x6b9/0x2b20 [siw]\n   process_one_work+0x84f/0x1460\n   worker_thread+0x5ef/0xfd0\n   kthread+0x3b0/0x770\n   ret_from_fork+0x30/0x70\n   ret_from_fork_asm+0x1a/0x30\n\nThis BUG is reproducible by repeating the blktests test case nvme/061\nfor the rdma transport and the siw driver.\n\nTo avoid the use-after-free of cm_id_private work objects, ensure that\nthe last reference to the cm_id is decremented not in the event handler\nworks, but in the cm_id destruction context. For that purpose, mo\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:15:17.347Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/013dcdf6f03bcedbaf1669e3db71c34a197715b2"
        },
        {
          "url": "https://git.kernel.org/stable/c/bf7eff5e3a36c54bbe8aff7fd6dd7c07490b81c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/3b4a50d733acad6831f6bd9288a76a80f70650ac"
        },
        {
          "url": "https://git.kernel.org/stable/c/78381dc8a6b61c9bb9987d37b4d671b99767c4a1"
        },
        {
          "url": "https://git.kernel.org/stable/c/23a707bbcbea468eedb398832eeb7e8e0ceafd21"
        },
        {
          "url": "https://git.kernel.org/stable/c/764c9f69beabef8bdc651a7746c59f7a340d104f"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd960b5ddf4faf00da43babdd3acda68842e1f6a"
        },
        {
          "url": "https://git.kernel.org/stable/c/6883b680e703c6b2efddb4e7a8d891ce1803d06b"
        }
      ],
      "title": "RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38211",
    "datePublished": "2025-07-04T13:37:30.307Z",
    "dateReserved": "2025-04-16T04:51:23.994Z",
    "dateUpdated": "2025-11-03T17:35:29.579Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-38464 (GCVE-0-2025-38464)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:27 – Updated: 2025-11-03 17:38

Title

tipc: Fix use-after-free in tipc_conn_close().

Summary

In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free in tipc_conn_close(). syzbot reported a null-ptr-deref in tipc_conn_close() during netns dismantle. [0] tipc_topsrv_stop() iterates tipc_net(net)->topsrv->conn_idr and calls tipc_conn_close() for each tipc_conn. The problem is that tipc_conn_close() is called after releasing the IDR lock. At the same time, there might be tipc_conn_recv_work() running and it could call tipc_conn_close() for the same tipc_conn and release its last ->kref. Once we release the IDR lock in tipc_topsrv_stop(), there is no guarantee that the tipc_conn is alive. Let's hold the ref before releasing the lock and put the ref after tipc_conn_close() in tipc_topsrv_stop(). [0]: BUG: KASAN: use-after-free in tipc_conn_close+0x122/0x140 net/tipc/topsrv.c:165 Read of size 8 at addr ffff888099305a08 by task kworker/u4:3/435 CPU: 0 PID: 435 Comm: kworker/u4:3 Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354 kasan_report mm/kasan/report.c:412 [inline] __asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433 tipc_conn_close+0x122/0x140 net/tipc/topsrv.c:165 tipc_topsrv_stop net/tipc/topsrv.c:701 [inline] tipc_topsrv_exit_net+0x27b/0x5c0 net/tipc/topsrv.c:722 ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:553 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Allocated by task 23: kmem_cache_alloc_trace+0x12f/0x380 mm/slab.c:3625 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] tipc_conn_alloc+0x43/0x4f0 net/tipc/topsrv.c:192 tipc_topsrv_accept+0x1b5/0x280 net/tipc/topsrv.c:470 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Freed by task 23: __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 tipc_conn_kref_release net/tipc/topsrv.c:150 [inline] kref_put include/linux/kref.h:70 [inline] conn_put+0x2cd/0x3a0 net/tipc/topsrv.c:155 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 The buggy address belongs to the object at ffff888099305a00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff888099305a00, ffff888099305c00) The buggy address belongs to the page: page:ffffea000264c140 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffffea00028b6b88 ffffea0002cd2b08 ffff88813bff0940 raw: 0000000000000000 ffff888099305000 0000000100000006 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888099305900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888099305980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888099305a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888099305a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888099305b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/03dcdd2558e1e55bf…
	https://git.kernel.org/stable/c/15a6f4971e2f157d5…
	https://git.kernel.org/stable/c/dab8ded2e5ff41012…
	https://git.kernel.org/stable/c/1dbf7cd2454a28b1d…
	https://git.kernel.org/stable/c/be4b8392da7978294…
	https://git.kernel.org/stable/c/50aa2d121bc2cfe2d…
	https://git.kernel.org/stable/c/3b89e17b2fd640126…
	https://git.kernel.org/stable/c/667eeab4999e981c9…

Impacted products

Vendor

Product

Version

Linux

Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 03dcdd2558e1e55bf843822fe4363dcb48743f2b (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 15a6f4971e2f157d57e09ea748d1fbc714277aa4 (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < dab8ded2e5ff41012a6ff400b44dbe76ccf3592a (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 1dbf7cd2454a28b1da700085b99346b5445aeabb (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < be4b8392da7978294f2f368799d29dd509fb6c4d (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 50aa2d121bc2cfe2d825f8a331ea75dfaaab6a50 (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 3b89e17b2fd64012682bed158d9eb3d2e96dec42 (git)
Affected: c5fa7b3cf3cb22e4ac60485fc2dc187fe012910f , < 667eeab4999e981c96b447a4df5f20bdf5c26f13 (git)

Linux

Affected: 3.11
Unaffected: 0 , < 3.11 (semver)
Unaffected: 5.4.296 , ≤ 5.4.* (semver)
Unaffected: 5.10.240 , ≤ 5.10.* (semver)
Unaffected: 5.15.189 , ≤ 5.15.* (semver)
Unaffected: 6.1.146 , ≤ 6.1.* (semver)
Unaffected: 6.6.99 , ≤ 6.6.* (semver)
Unaffected: 6.12.39 , ≤ 6.12.* (semver)
Unaffected: 6.15.7 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

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{
  "containers": {
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        "title": "CVE Program Container"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: Fix use-after-free in tipc_conn_close().\n\nsyzbot reported a null-ptr-deref in tipc_conn_close() during netns\ndismantle. [0]\n\ntipc_topsrv_stop() iterates tipc_net(net)-\u003etopsrv-\u003econn_idr and calls\ntipc_conn_close() for each tipc_conn.\n\nThe problem is that tipc_conn_close() is called after releasing the\nIDR lock.\n\nAt the same time, there might be tipc_conn_recv_work() running and it\ncould call tipc_conn_close() for the same tipc_conn and release its\nlast -\u003ekref.\n\nOnce we release the IDR lock in tipc_topsrv_stop(), there is no\nguarantee that the tipc_conn is alive.\n\nLet\u0027s hold the ref before releasing the lock and put the ref after\ntipc_conn_close() in tipc_topsrv_stop().\n\n[0]:\nBUG: KASAN: use-after-free in tipc_conn_close+0x122/0x140 net/tipc/topsrv.c:165\nRead of size 8 at addr ffff888099305a08 by task kworker/u4:3/435\n\nCPU: 0 PID: 435 Comm: kworker/u4:3 Not tainted 4.19.204-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\nWorkqueue: netns cleanup_net\nCall Trace:\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x1fc/0x2ef lib/dump_stack.c:118\n print_address_description.cold+0x54/0x219 mm/kasan/report.c:256\n kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354\n kasan_report mm/kasan/report.c:412 [inline]\n __asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433\n tipc_conn_close+0x122/0x140 net/tipc/topsrv.c:165\n tipc_topsrv_stop net/tipc/topsrv.c:701 [inline]\n tipc_topsrv_exit_net+0x27b/0x5c0 net/tipc/topsrv.c:722\n ops_exit_list+0xa5/0x150 net/core/net_namespace.c:153\n cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:553\n process_one_work+0x864/0x1570 kernel/workqueue.c:2153\n worker_thread+0x64c/0x1130 kernel/workqueue.c:2296\n kthread+0x33f/0x460 kernel/kthread.c:259\n ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415\n\nAllocated by task 23:\n kmem_cache_alloc_trace+0x12f/0x380 mm/slab.c:3625\n kmalloc include/linux/slab.h:515 [inline]\n kzalloc include/linux/slab.h:709 [inline]\n tipc_conn_alloc+0x43/0x4f0 net/tipc/topsrv.c:192\n tipc_topsrv_accept+0x1b5/0x280 net/tipc/topsrv.c:470\n process_one_work+0x864/0x1570 kernel/workqueue.c:2153\n worker_thread+0x64c/0x1130 kernel/workqueue.c:2296\n kthread+0x33f/0x460 kernel/kthread.c:259\n ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415\n\nFreed by task 23:\n __cache_free mm/slab.c:3503 [inline]\n kfree+0xcc/0x210 mm/slab.c:3822\n tipc_conn_kref_release net/tipc/topsrv.c:150 [inline]\n kref_put include/linux/kref.h:70 [inline]\n conn_put+0x2cd/0x3a0 net/tipc/topsrv.c:155\n process_one_work+0x864/0x1570 kernel/workqueue.c:2153\n worker_thread+0x64c/0x1130 kernel/workqueue.c:2296\n kthread+0x33f/0x460 kernel/kthread.c:259\n ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415\n\nThe buggy address belongs to the object at ffff888099305a00\n which belongs to the cache kmalloc-512 of size 512\nThe buggy address is located 8 bytes inside of\n 512-byte region [ffff888099305a00, ffff888099305c00)\nThe buggy address belongs to the page:\npage:ffffea000264c140 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0\nflags: 0xfff00000000100(slab)\nraw: 00fff00000000100 ffffea00028b6b88 ffffea0002cd2b08 ffff88813bff0940\nraw: 0000000000000000 ffff888099305000 0000000100000006 0000000000000000\npage dumped because: kasan: bad access detected\n\nMemory state around the buggy address:\n ffff888099305900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff888099305980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n\u003effff888099305a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n                      ^\n ffff888099305a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n ffff888099305b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb"
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          "url": "https://git.kernel.org/stable/c/15a6f4971e2f157d57e09ea748d1fbc714277aa4"
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          "url": "https://git.kernel.org/stable/c/dab8ded2e5ff41012a6ff400b44dbe76ccf3592a"
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          "url": "https://git.kernel.org/stable/c/1dbf7cd2454a28b1da700085b99346b5445aeabb"
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        {
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        {
          "url": "https://git.kernel.org/stable/c/667eeab4999e981c96b447a4df5f20bdf5c26f13"
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      "title": "tipc: Fix use-after-free in tipc_conn_close().",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38464",
    "datePublished": "2025-07-25T15:27:46.708Z",
    "dateReserved": "2025-04-16T04:51:24.020Z",
    "dateUpdated": "2025-11-03T17:38:25.539Z",
    "state": "PUBLISHED"
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}

CVE-2025-38500 (GCVE-0-2025-38500)

Vulnerability from cvelistv5 – Published: 2025-08-12 16:02 – Updated: 2025-11-03 17:39

Title

xfrm: interface: fix use-after-free after changing collect_md xfrm interface

Summary

In the Linux kernel, the following vulnerability has been resolved: xfrm: interface: fix use-after-free after changing collect_md xfrm interface collect_md property on xfrm interfaces can only be set on device creation, thus xfrmi_changelink() should fail when called on such interfaces. The check to enforce this was done only in the case where the xi was returned from xfrmi_locate() which doesn't look for the collect_md interface, and thus the validation was never reached. Calling changelink would thus errornously place the special interface xi in the xfrmi_net->xfrmi hash, but since it also exists in the xfrmi_net->collect_md_xfrmi pointer it would lead to a double free when the net namespace was taken down [1]. Change the check to use the xi from netdev_priv which is available earlier in the function to prevent changes in xfrm collect_md interfaces. [1] resulting oops: [ 8.516540] kernel BUG at net/core/dev.c:12029! [ 8.516552] Oops: invalid opcode: 0000 [#1] SMP NOPTI [ 8.516559] CPU: 0 UID: 0 PID: 12 Comm: kworker/u80:0 Not tainted 6.15.0-virtme #5 PREEMPT(voluntary) [ 8.516565] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 8.516569] Workqueue: netns cleanup_net [ 8.516579] RIP: 0010:unregister_netdevice_many_notify+0x101/0xab0 [ 8.516590] Code: 90 0f 0b 90 48 8b b0 78 01 00 00 48 8b 90 80 01 00 00 48 89 56 08 48 89 32 4c 89 80 78 01 00 00 48 89 b8 80 01 00 00 eb ac 90 <0f> 0b 48 8b 45 00 4c 8d a0 88 fe ff ff 48 39 c5 74 5c 41 80 bc 24 [ 8.516593] RSP: 0018:ffffa93b8006bd30 EFLAGS: 00010206 [ 8.516598] RAX: ffff98fe4226e000 RBX: ffffa93b8006bd58 RCX: ffffa93b8006bc60 [ 8.516601] RDX: 0000000000000004 RSI: 0000000000000000 RDI: dead000000000122 [ 8.516603] RBP: ffffa93b8006bdd8 R08: dead000000000100 R09: ffff98fe4133c100 [ 8.516605] R10: 0000000000000000 R11: 00000000000003d2 R12: ffffa93b8006be00 [ 8.516608] R13: ffffffff96c1a510 R14: ffffffff96c1a510 R15: ffffa93b8006be00 [ 8.516615] FS: 0000000000000000(0000) GS:ffff98fee73b7000(0000) knlGS:0000000000000000 [ 8.516619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.516622] CR2: 00007fcd2abd0700 CR3: 000000003aa40000 CR4: 0000000000752ef0 [ 8.516625] PKRU: 55555554 [ 8.516627] Call Trace: [ 8.516632] <TASK> [ 8.516635] ? rtnl_is_locked+0x15/0x20 [ 8.516641] ? unregister_netdevice_queue+0x29/0xf0 [ 8.516650] ops_undo_list+0x1f2/0x220 [ 8.516659] cleanup_net+0x1ad/0x2e0 [ 8.516664] process_one_work+0x160/0x380 [ 8.516673] worker_thread+0x2aa/0x3c0 [ 8.516679] ? __pfx_worker_thread+0x10/0x10 [ 8.516686] kthread+0xfb/0x200 [ 8.516690] ? __pfx_kthread+0x10/0x10 [ 8.516693] ? __pfx_kthread+0x10/0x10 [ 8.516697] ret_from_fork+0x82/0xf0 [ 8.516705] ? __pfx_kthread+0x10/0x10 [ 8.516709] ret_from_fork_asm+0x1a/0x30 [ 8.516718] </TASK>

Severity ?

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416 - Use After Free

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/a8d4748b954584ab7…
	https://git.kernel.org/stable/c/bfebdb85496e1da21…
	https://git.kernel.org/stable/c/5918c3f4800a3aef2…
	https://git.kernel.org/stable/c/69a31f7a6a81f5ffd…
	https://git.kernel.org/stable/c/a90b2a1aaacbcf0f9…

Impacted products

Vendor

Product

Version

Linux

Affected: abc340b38ba25cd6c7aa2c0bd9150d30738c82d0 , < a8d4748b954584ab7bd800f1a4e46d5b0eeb5ce4 (git)
Affected: abc340b38ba25cd6c7aa2c0bd9150d30738c82d0 , < bfebdb85496e1da21d3cf05de099210915c3e706 (git)
Affected: abc340b38ba25cd6c7aa2c0bd9150d30738c82d0 , < 5918c3f4800a3aef2173865e5903370f21e24f47 (git)
Affected: abc340b38ba25cd6c7aa2c0bd9150d30738c82d0 , < 69a31f7a6a81f5ffd3812c442e09ff0be22960f1 (git)
Affected: abc340b38ba25cd6c7aa2c0bd9150d30738c82d0 , < a90b2a1aaacbcf0f91d7e4868ad6c51c5dee814b (git)

Linux

Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.1.148 , ≤ 6.1.* (semver)
Unaffected: 6.6.101 , ≤ 6.6.* (semver)
Unaffected: 6.12.41 , ≤ 6.12.* (semver)
Unaffected: 6.15.9 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
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                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "no"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm: interface: fix use-after-free after changing collect_md xfrm interface\n\ncollect_md property on xfrm interfaces can only be set on device creation,\nthus xfrmi_changelink() should fail when called on such interfaces.\n\nThe check to enforce this was done only in the case where the xi was\nreturned from xfrmi_locate() which doesn\u0027t look for the collect_md\ninterface, and thus the validation was never reached.\n\nCalling changelink would thus errornously place the special interface xi\nin the xfrmi_net-\u003exfrmi hash, but since it also exists in the\nxfrmi_net-\u003ecollect_md_xfrmi pointer it would lead to a double free when\nthe net namespace was taken down [1].\n\nChange the check to use the xi from netdev_priv which is available earlier\nin the function to prevent changes in xfrm collect_md interfaces.\n\n[1] resulting oops:\n[    8.516540] kernel BUG at net/core/dev.c:12029!\n[    8.516552] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[    8.516559] CPU: 0 UID: 0 PID: 12 Comm: kworker/u80:0 Not tainted 6.15.0-virtme #5 PREEMPT(voluntary)\n[    8.516565] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[    8.516569] Workqueue: netns cleanup_net\n[    8.516579] RIP: 0010:unregister_netdevice_many_notify+0x101/0xab0\n[    8.516590] Code: 90 0f 0b 90 48 8b b0 78 01 00 00 48 8b 90 80 01 00 00 48 89 56 08 48 89 32 4c 89 80 78 01 00 00 48 89 b8 80 01 00 00 eb ac 90 \u003c0f\u003e 0b 48 8b 45 00 4c 8d a0 88 fe ff ff 48 39 c5 74 5c 41 80 bc 24\n[    8.516593] RSP: 0018:ffffa93b8006bd30 EFLAGS: 00010206\n[    8.516598] RAX: ffff98fe4226e000 RBX: ffffa93b8006bd58 RCX: ffffa93b8006bc60\n[    8.516601] RDX: 0000000000000004 RSI: 0000000000000000 RDI: dead000000000122\n[    8.516603] RBP: ffffa93b8006bdd8 R08: dead000000000100 R09: ffff98fe4133c100\n[    8.516605] R10: 0000000000000000 R11: 00000000000003d2 R12: ffffa93b8006be00\n[    8.516608] R13: ffffffff96c1a510 R14: ffffffff96c1a510 R15: ffffa93b8006be00\n[    8.516615] FS:  0000000000000000(0000) GS:ffff98fee73b7000(0000) knlGS:0000000000000000\n[    8.516619] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[    8.516622] CR2: 00007fcd2abd0700 CR3: 000000003aa40000 CR4: 0000000000752ef0\n[    8.516625] PKRU: 55555554\n[    8.516627] Call Trace:\n[    8.516632]  \u003cTASK\u003e\n[    8.516635]  ? rtnl_is_locked+0x15/0x20\n[    8.516641]  ? unregister_netdevice_queue+0x29/0xf0\n[    8.516650]  ops_undo_list+0x1f2/0x220\n[    8.516659]  cleanup_net+0x1ad/0x2e0\n[    8.516664]  process_one_work+0x160/0x380\n[    8.516673]  worker_thread+0x2aa/0x3c0\n[    8.516679]  ? __pfx_worker_thread+0x10/0x10\n[    8.516686]  kthread+0xfb/0x200\n[    8.516690]  ? __pfx_kthread+0x10/0x10\n[    8.516693]  ? __pfx_kthread+0x10/0x10\n[    8.516697]  ret_from_fork+0x82/0xf0\n[    8.516705]  ? __pfx_kthread+0x10/0x10\n[    8.516709]  ret_from_fork_asm+0x1a/0x30\n[    8.516718]  \u003c/TASK\u003e"
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CVE-2025-38200 (GCVE-0-2025-38200)

Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2025-11-03 17:35

Title

i40e: fix MMIO write access to an invalid page in i40e_clear_hw

Summary

In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to an invalid page. Prevent the integer underflow by changing the type of related variables.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/872607632c658d373…
	https://git.kernel.org/stable/c/5e75c9082987479e6…
	https://git.kernel.org/stable/c/fecb2fc3fc10c9572…
	https://git.kernel.org/stable/c/d88a1e8f024ba26e1…
	https://git.kernel.org/stable/c/8cde755f56163281e…
	https://git.kernel.org/stable/c/3502dd42f178dae9d…
	https://git.kernel.org/stable/c/2a1f4f2e36442a9bd…
	https://git.kernel.org/stable/c/015bac5daca978448…

Impacted products

Vendor

Product

Version

Linux

Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 872607632c658d3739e4e7889e4f3c419ae2c193 (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 5e75c9082987479e647c75ec8fdf18fa68263c42 (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < fecb2fc3fc10c95724407cc45ea35af4a65cdde2 (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < d88a1e8f024ba26e19350958fecbf771a9960352 (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 8cde755f56163281ec2c46b4ae8b61f532758a6f (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 3502dd42f178dae9d54696013386bb52b4f2e655 (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca (git)
Affected: 1bff652941c4d94f97610c9a30473aad6f5b2fff , < 015bac5daca978448f2671478c553ce1f300c21e (git)

Linux

Affected: 3.12
Unaffected: 0 , < 3.12 (semver)
Unaffected: 5.4.295 , ≤ 5.4.* (semver)
Unaffected: 5.10.239 , ≤ 5.10.* (semver)
Unaffected: 5.15.186 , ≤ 5.15.* (semver)
Unaffected: 6.1.142 , ≤ 6.1.* (semver)
Unaffected: 6.6.95 , ≤ 6.6.* (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

Show details on NVD website

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CVE-2025-38461 (GCVE-0-2025-38461)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:27 – Updated: 2025-11-03 17:38

Title

vsock: Fix transport_* TOCTOU

Summary

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix transport_* TOCTOU Transport assignment may race with module unload. Protect new_transport from becoming a stale pointer. This also takes care of an insecure call in vsock_use_local_transport(); add a lockdep assert. BUG: unable to handle page fault for address: fffffbfff8056000 Oops: Oops: 0000 [#1] SMP KASAN RIP: 0010:vsock_assign_transport+0x366/0x600 Call Trace: vsock_connect+0x59c/0xc40 __sys_connect+0xe8/0x100 __x64_sys_connect+0x6e/0xc0 do_syscall_64+0x92/0x1c0 entry_SYSCALL_64_after_hwframe+0x4b/0x53

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/8667e8d0eb46bc54f…
	https://git.kernel.org/stable/c/36a439049b34cca0b…
	https://git.kernel.org/stable/c/9ce53e744f18e7305…
	https://git.kernel.org/stable/c/9d24bb6780282b025…
	https://git.kernel.org/stable/c/ae2c712ba39c7007d…
	https://git.kernel.org/stable/c/7b73bddf54777fb62…
	https://git.kernel.org/stable/c/687aa0c5581b8d4aa…

Impacted products

Vendor

Product

Version

Linux

Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 8667e8d0eb46bc54fdae30ba2f4786407d3d88eb (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 36a439049b34cca0b3661276049b84a1f76cc21a (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 9ce53e744f18e73059d3124070e960f3aa9902bf (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 9d24bb6780282b0255b9929abe5e8f98007e2c6e (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < ae2c712ba39c7007de63cb0c75b51ce1caaf1da5 (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 7b73bddf54777fb62d4d8c7729d0affe6df04477 (git)
Affected: c0cfa2d8a788fcf45df5bf4070ab2474c88d543a , < 687aa0c5581b8d4aa87fd92973e4ee576b550cdf (git)

Linux

Affected: 5.5
Unaffected: 0 , < 5.5 (semver)
Unaffected: 5.10.240 , ≤ 5.10.* (semver)
Unaffected: 5.15.189 , ≤ 5.15.* (semver)
Unaffected: 6.1.146 , ≤ 6.1.* (semver)
Unaffected: 6.6.99 , ≤ 6.6.* (semver)
Unaffected: 6.12.39 , ≤ 6.12.* (semver)
Unaffected: 6.15.7 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T17:38:21.774Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
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          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/vmw_vsock/af_vsock.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
            {
              "lessThan": "9ce53e744f18e73059d3124070e960f3aa9902bf",
              "status": "affected",
              "version": "c0cfa2d8a788fcf45df5bf4070ab2474c88d543a",
              "versionType": "git"
            },
            {
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              "status": "affected",
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              "versionType": "git"
            },
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          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.5"
            },
            {
              "lessThan": "5.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.240",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.189",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.146",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.99",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.39",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.240",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.189",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.1.146",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.6.99",
                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.39",
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                },
                {
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                  "versionStartIncluding": "5.5",
                  "vulnerable": true
                },
                {
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvsock: Fix transport_* TOCTOU\n\nTransport assignment may race with module unload. Protect new_transport\nfrom becoming a stale pointer.\n\nThis also takes care of an insecure call in vsock_use_local_transport();\nadd a lockdep assert.\n\nBUG: unable to handle page fault for address: fffffbfff8056000\nOops: Oops: 0000 [#1] SMP KASAN\nRIP: 0010:vsock_assign_transport+0x366/0x600\nCall Trace:\n vsock_connect+0x59c/0xc40\n __sys_connect+0xe8/0x100\n __x64_sys_connect+0x6e/0xc0\n do_syscall_64+0x92/0x1c0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:23:07.628Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8667e8d0eb46bc54fdae30ba2f4786407d3d88eb"
        },
        {
          "url": "https://git.kernel.org/stable/c/36a439049b34cca0b3661276049b84a1f76cc21a"
        },
        {
          "url": "https://git.kernel.org/stable/c/9ce53e744f18e73059d3124070e960f3aa9902bf"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d24bb6780282b0255b9929abe5e8f98007e2c6e"
        },
        {
          "url": "https://git.kernel.org/stable/c/ae2c712ba39c7007de63cb0c75b51ce1caaf1da5"
        },
        {
          "url": "https://git.kernel.org/stable/c/7b73bddf54777fb62d4d8c7729d0affe6df04477"
        },
        {
          "url": "https://git.kernel.org/stable/c/687aa0c5581b8d4aa87fd92973e4ee576b550cdf"
        }
      ],
      "title": "vsock: Fix transport_* TOCTOU",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38461",
    "datePublished": "2025-07-25T15:27:39.322Z",
    "dateReserved": "2025-04-16T04:51:24.020Z",
    "dateUpdated": "2025-11-03T17:38:21.774Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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Author	Source	Type	Date

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Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

alsa-2025:15011

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CVE-2025-38500 (GCVE-0-2025-38500)

CVE-2025-38200 (GCVE-0-2025-38200)

CVE-2025-38461 (GCVE-0-2025-38461)

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