Vulnerability-Lookup

alsa-2026:0793

Vulnerability from osv_almalinux

Published

2026-01-19 00:00

Modified

2026-01-23 13:22

Summary

Important: kernel security update

Details

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

Security Fix(es):

kernel: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)
kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length (CVE-2025-39933)
kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)
kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths (CVE-2025-68287)
kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)

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.

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          "type": "ECOSYSTEM"
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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: drm/xe: Make dma-fences compliant with the safe access rules (CVE-2025-38703)\n  * kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length (CVE-2025-39933)\n  * kernel: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277)\n  * kernel: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths (CVE-2025-68287)\n  * kernel: libceph: fix potential use-after-free in have_mon_and_osd_map() (CVE-2025-68285)\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-2026:0793",
  "modified": "2026-01-23T13:22:18Z",
  "published": "2026-01-19T00:00:00Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:0793"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-38703"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-39933"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-40277"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68285"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68287"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2393157"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2401432"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2419954"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2422788"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2422801"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2026-0793.html"
    }
  ],
  "related": [
    "CVE-2025-38703",
    "CVE-2025-39933",
    "CVE-2025-40277",
    "CVE-2025-68287",
    "CVE-2025-68285"
  ],
  "summary": "Important: kernel security update"
}

CVE-2025-39933 (GCVE-0-2025-39933)

Vulnerability from cvelistv5 – Published: 2025-10-04 07:30 – Updated: 2025-10-04 07:30

Title

smb: client: let recv_done verify data_offset, data_length and remaining_data_length

Summary

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/581fb78e0388b7891…
	https://git.kernel.org/stable/c/f57e53ea252363234…

Impacted products

Vendor

Product

Version

Linux

Affected: f198186aa9bbd60fae7a2061f4feec614d880299 , < 581fb78e0388b78911b0c920e4073737090c8b5f (git)
Affected: f198186aa9bbd60fae7a2061f4feec614d880299 , < f57e53ea252363234f86674db475839e5b87102e (git)

Linux

Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 6.16.9 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smbdirect.c"
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CVE-2025-40277 (GCVE-0-2025-40277)

Vulnerability from cvelistv5 – Published: 2025-12-06 21:51 – Updated: 2025-12-06 21:51

Title

drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE This data originates from userspace and is used in buffer offset calculations which could potentially overflow causing an out-of-bounds access.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e58559845021c3bad…
	https://git.kernel.org/stable/c/54d458b244893e47b…
	https://git.kernel.org/stable/c/709e5c088f9c99a5c…
	https://git.kernel.org/stable/c/a3abb54c27b2c393c…
	https://git.kernel.org/stable/c/b5df9e06eed3df6a4…
	https://git.kernel.org/stable/c/5aea2cde03d4247cd…
	https://git.kernel.org/stable/c/f3f3a8eb3f0ba799f…
	https://git.kernel.org/stable/c/32b415a9dc2c212e8…

Impacted products

Vendor

Product

Version

Linux

Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < e58559845021c3bad5e094219378b869157fad53 (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < 54d458b244893e47bda52ec3943fdfbc8d7d068b (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < 709e5c088f9c99a5cf2c1d1c6ce58f2cca7ab173 (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < a3abb54c27b2c393c44362399777ad2f6e1ff17e (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < b5df9e06eed3df6a4f5c6f8453013b0cabb927b4 (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < 5aea2cde03d4247cdcf53f9ab7d0747c9dca1cfc (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < f3f3a8eb3f0ba799fae057091d8c67cca12d6fa0 (git)
Affected: 8ce75f8ab9044fe11caaaf2b2c82471023212f9f , < 32b415a9dc2c212e809b7ebc2b14bc3fbda2b9af (git)

Linux

Affected: 4.3
Unaffected: 0 , < 4.3 (semver)
Unaffected: 5.4.302 , ≤ 5.4.* (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.117 , ≤ 6.6.* (semver)
Unaffected: 6.12.59 , ≤ 6.12.* (semver)
Unaffected: 6.17.9 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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        {
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          "product": "Linux",
          "programFiles": [
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CVE-2025-68285 (GCVE-0-2025-68285)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2026-01-02 15:34

Title

libceph: fix potential use-after-free in have_mon_and_osd_map()

Summary

In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap or osdmap shortly after the initial map is received. Both ceph_monc_handle_map() and handle_one_map() install a new map immediately after freeing the old one kfree(monc->monmap); monc->monmap = monmap; ceph_osdmap_destroy(osdc->osdmap); osdc->osdmap = newmap; under client->monc.mutex and client->osdc.lock respectively, but because neither is taken in have_mon_and_osd_map() it's possible for client->monc.monmap->epoch and client->osdc.osdmap->epoch arms in client->monc.monmap && client->monc.monmap->epoch && client->osdc.osdmap && client->osdc.osdmap->epoch; condition to dereference an already freed map. This happens to be reproducible with generic/395 and generic/397 with KASAN enabled: BUG: KASAN: slab-use-after-free in have_mon_and_osd_map+0x56/0x70 Read of size 4 at addr ffff88811012d810 by task mount.ceph/13305 CPU: 2 UID: 0 PID: 13305 Comm: mount.ceph Not tainted 6.14.0-rc2-build2+ #1266 ... Call Trace: <TASK> have_mon_and_osd_map+0x56/0x70 ceph_open_session+0x182/0x290 ceph_get_tree+0x333/0x680 vfs_get_tree+0x49/0x180 do_new_mount+0x1a3/0x2d0 path_mount+0x6dd/0x730 do_mount+0x99/0xe0 __do_sys_mount+0x141/0x180 do_syscall_64+0x9f/0x100 entry_SYSCALL_64_after_hwframe+0x76/0x7e </TASK> Allocated by task 13305: ceph_osdmap_alloc+0x16/0x130 ceph_osdc_init+0x27a/0x4c0 ceph_create_client+0x153/0x190 create_fs_client+0x50/0x2a0 ceph_get_tree+0xff/0x680 vfs_get_tree+0x49/0x180 do_new_mount+0x1a3/0x2d0 path_mount+0x6dd/0x730 do_mount+0x99/0xe0 __do_sys_mount+0x141/0x180 do_syscall_64+0x9f/0x100 entry_SYSCALL_64_after_hwframe+0x76/0x7e Freed by task 9475: kfree+0x212/0x290 handle_one_map+0x23c/0x3b0 ceph_osdc_handle_map+0x3c9/0x590 mon_dispatch+0x655/0x6f0 ceph_con_process_message+0xc3/0xe0 ceph_con_v1_try_read+0x614/0x760 ceph_con_workfn+0x2de/0x650 process_one_work+0x486/0x7c0 process_scheduled_works+0x73/0x90 worker_thread+0x1c8/0x2a0 kthread+0x2ec/0x300 ret_from_fork+0x24/0x40 ret_from_fork_asm+0x1a/0x30 Rewrite the wait loop to check the above condition directly with client->monc.mutex and client->osdc.lock taken as appropriate. While at it, improve the timeout handling (previously mount_timeout could be exceeded in case wait_event_interruptible_timeout() slept more than once) and access client->auth_err under client->monc.mutex to match how it's set in finish_auth(). monmap_show() and osdmap_show() now take the respective lock before accessing the map as well.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/bb4910c5fd436701f…
	https://git.kernel.org/stable/c/05ec43e9a9de67132…
	https://git.kernel.org/stable/c/7c8ccdc1714d9fabe…
	https://git.kernel.org/stable/c/183ad6e3b651e8fb0…
	https://git.kernel.org/stable/c/e08021b3b56b2407f…
	https://git.kernel.org/stable/c/3fc43120b22a3d4f1…
	https://git.kernel.org/stable/c/076381c261374c587…

Impacted products

Vendor

Product

Version

Linux

Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < bb4910c5fd436701faf367e1b5476a5a6d2aff1c (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < 05ec43e9a9de67132dc8cd3b22afef001574947f (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < 7c8ccdc1714d9fabecd26e1be7db1771061acc6e (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < 183ad6e3b651e8fb0b66d6a2678f4b80bfbba092 (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < e08021b3b56b2407f37b5fe47b654be80cc665fb (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < 3fc43120b22a3d4f1fbeff56a35ce2105b6a5683 (git)
Affected: 6822d00b5462e7a9dfa11dcc60cc25823a2107c5 , < 076381c261374c587700b3accf410bdd2dba334e (git)

Linux

Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

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{
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: fix potential use-after-free in have_mon_and_osd_map()\n\nThe wait loop in __ceph_open_session() can race with the client\nreceiving a new monmap or osdmap shortly after the initial map is\nreceived.  Both ceph_monc_handle_map() and handle_one_map() install\na new map immediately after freeing the old one\n\n    kfree(monc-\u003emonmap);\n    monc-\u003emonmap = monmap;\n\n    ceph_osdmap_destroy(osdc-\u003eosdmap);\n    osdc-\u003eosdmap = newmap;\n\nunder client-\u003emonc.mutex and client-\u003eosdc.lock respectively, but\nbecause neither is taken in have_mon_and_osd_map() it\u0027s possible for\nclient-\u003emonc.monmap-\u003eepoch and client-\u003eosdc.osdmap-\u003eepoch arms in\n\n    client-\u003emonc.monmap \u0026\u0026 client-\u003emonc.monmap-\u003eepoch \u0026\u0026\n        client-\u003eosdc.osdmap \u0026\u0026 client-\u003eosdc.osdmap-\u003eepoch;\n\ncondition to dereference an already freed map.  This happens to be\nreproducible with generic/395 and generic/397 with KASAN enabled:\n\n    BUG: KASAN: slab-use-after-free in have_mon_and_osd_map+0x56/0x70\n    Read of size 4 at addr ffff88811012d810 by task mount.ceph/13305\n    CPU: 2 UID: 0 PID: 13305 Comm: mount.ceph Not tainted 6.14.0-rc2-build2+ #1266\n    ...\n    Call Trace:\n    \u003cTASK\u003e\n    have_mon_and_osd_map+0x56/0x70\n    ceph_open_session+0x182/0x290\n    ceph_get_tree+0x333/0x680\n    vfs_get_tree+0x49/0x180\n    do_new_mount+0x1a3/0x2d0\n    path_mount+0x6dd/0x730\n    do_mount+0x99/0xe0\n    __do_sys_mount+0x141/0x180\n    do_syscall_64+0x9f/0x100\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n    \u003c/TASK\u003e\n\n    Allocated by task 13305:\n    ceph_osdmap_alloc+0x16/0x130\n    ceph_osdc_init+0x27a/0x4c0\n    ceph_create_client+0x153/0x190\n    create_fs_client+0x50/0x2a0\n    ceph_get_tree+0xff/0x680\n    vfs_get_tree+0x49/0x180\n    do_new_mount+0x1a3/0x2d0\n    path_mount+0x6dd/0x730\n    do_mount+0x99/0xe0\n    __do_sys_mount+0x141/0x180\n    do_syscall_64+0x9f/0x100\n    entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\n    Freed by task 9475:\n    kfree+0x212/0x290\n    handle_one_map+0x23c/0x3b0\n    ceph_osdc_handle_map+0x3c9/0x590\n    mon_dispatch+0x655/0x6f0\n    ceph_con_process_message+0xc3/0xe0\n    ceph_con_v1_try_read+0x614/0x760\n    ceph_con_workfn+0x2de/0x650\n    process_one_work+0x486/0x7c0\n    process_scheduled_works+0x73/0x90\n    worker_thread+0x1c8/0x2a0\n    kthread+0x2ec/0x300\n    ret_from_fork+0x24/0x40\n    ret_from_fork_asm+0x1a/0x30\n\nRewrite the wait loop to check the above condition directly with\nclient-\u003emonc.mutex and client-\u003eosdc.lock taken as appropriate.  While\nat it, improve the timeout handling (previously mount_timeout could be\nexceeded in case wait_event_interruptible_timeout() slept more than\nonce) and access client-\u003eauth_err under client-\u003emonc.mutex to match\nhow it\u0027s set in finish_auth().\n\nmonmap_show() and osdmap_show() now take the respective lock before\naccessing the map as well."
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CVE-2025-68287 (GCVE-0-2025-68287)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2025-12-16 15:06

Title

usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths This patch addresses a race condition caused by unsynchronized execution of multiple call paths invoking `dwc3_remove_requests()`, leading to premature freeing of USB requests and subsequent crashes. Three distinct execution paths interact with `dwc3_remove_requests()`: Path 1: Triggered via `dwc3_gadget_reset_interrupt()` during USB reset handling. The call stack includes: - `dwc3_ep0_reset_state()` - `dwc3_ep0_stall_and_restart()` - `dwc3_ep0_out_start()` - `dwc3_remove_requests()` - `dwc3_gadget_del_and_unmap_request()` Path 2: Also initiated from `dwc3_gadget_reset_interrupt()`, but through `dwc3_stop_active_transfers()`. The call stack includes: - `dwc3_stop_active_transfers()` - `dwc3_remove_requests()` - `dwc3_gadget_del_and_unmap_request()` Path 3: Occurs independently during `adb root` execution, which triggers USB function unbind and bind operations. The sequence includes: - `gserial_disconnect()` - `usb_ep_disable()` - `dwc3_gadget_ep_disable()` - `dwc3_remove_requests()` with `-ESHUTDOWN` status Path 3 operates asynchronously and lacks synchronization with Paths 1 and 2. When Path 3 completes, it disables endpoints and frees 'out' requests. If Paths 1 or 2 are still processing these requests, accessing freed memory leads to a crash due to use-after-free conditions. To fix this added check for request completion and skip processing if already completed and added the request status for ep0 while queue.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/467add9db13219101…
	https://git.kernel.org/stable/c/67192e8cb7f941b5b…
	https://git.kernel.org/stable/c/47de14d741cc40570…
	https://git.kernel.org/stable/c/afc0e34f161ce61ad…
	https://git.kernel.org/stable/c/7cfb62888eba292fa…
	https://git.kernel.org/stable/c/fa5eaf701e5768800…
	https://git.kernel.org/stable/c/e4037689a366743c4…

Impacted products

Vendor

Product

Version

Linux

Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < 467add9db13219101f14b6cc5477998b4aaa5fe2 (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < 67192e8cb7f941b5bba91e4bb290683576ce1607 (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < 47de14d741cc4057046c9e2f33df1f7828254e6c (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < afc0e34f161ce61ad351303c46eb57bd44b8b090 (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < 7cfb62888eba292fa35cd9ddbd28ce595f60e139 (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < fa5eaf701e576880070b60922200557ae4aa54e1 (git)
Affected: 72246da40f3719af3bfd104a2365b32537c27d83 , < e4037689a366743c4233966f0e74bc455820d316 (git)

Linux

Affected: 3.2
Unaffected: 0 , < 3.2 (semver)
Unaffected: 5.10.247 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/usb/dwc3/ep0.c",
            "drivers/usb/dwc3/gadget.c"
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            },
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.159",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.119",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.61",
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            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.11",
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            },
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              "status": "unaffected",
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              "versionType": "original_commit_for_fix"
            }
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        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths\n\nThis patch addresses a race condition caused by unsynchronized\nexecution of multiple call paths invoking `dwc3_remove_requests()`,\nleading to premature freeing of USB requests and subsequent crashes.\n\nThree distinct execution paths interact with `dwc3_remove_requests()`:\nPath 1:\nTriggered via `dwc3_gadget_reset_interrupt()` during USB reset\nhandling. The call stack includes:\n- `dwc3_ep0_reset_state()`\n- `dwc3_ep0_stall_and_restart()`\n- `dwc3_ep0_out_start()`\n- `dwc3_remove_requests()`\n- `dwc3_gadget_del_and_unmap_request()`\n\nPath 2:\nAlso initiated from `dwc3_gadget_reset_interrupt()`, but through\n`dwc3_stop_active_transfers()`. The call stack includes:\n- `dwc3_stop_active_transfers()`\n- `dwc3_remove_requests()`\n- `dwc3_gadget_del_and_unmap_request()`\n\nPath 3:\nOccurs independently during `adb root` execution, which triggers\nUSB function unbind and bind operations. The sequence includes:\n- `gserial_disconnect()`\n- `usb_ep_disable()`\n- `dwc3_gadget_ep_disable()`\n- `dwc3_remove_requests()` with `-ESHUTDOWN` status\n\nPath 3 operates asynchronously and lacks synchronization with Paths\n1 and 2. When Path 3 completes, it disables endpoints and frees \u0027out\u0027\nrequests. If Paths 1 or 2 are still processing these requests,\naccessing freed memory leads to a crash due to use-after-free conditions.\n\nTo fix this added check for request completion and skip processing\nif already completed and added the request status for ep0 while queue."
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        },
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          "url": "https://git.kernel.org/stable/c/e4037689a366743c4233966f0e74bc455820d316"
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      ],
      "title": "usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68287",
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    "dateReserved": "2025-12-16T14:48:05.292Z",
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  "dataType": "CVE_RECORD",
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}

CVE-2025-38703 (GCVE-0-2025-38703)

Vulnerability from cvelistv5 – Published: 2025-09-04 15:32 – Updated: 2025-09-29 10:47

Title

drm/xe: Make dma-fences compliant with the safe access rules

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Make dma-fences compliant with the safe access rules Xe can free some of the data pointed to by the dma-fences it exports. Most notably the timeline name can get freed if userspace closes the associated submit queue. At the same time the fence could have been exported to a third party (for example a sync_fence fd) which will then cause an use- after-free on subsequent access. To make this safe we need to make the driver compliant with the newly documented dma-fence rules. Driver has to ensure a RCU grace period between signalling a fence and freeing any data pointed to by said fence. For the timeline name we simply make the queue be freed via kfree_rcu and for the shared lock associated with multiple queues we add a RCU grace period before freeing the per GT structure holding the lock.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/b17fcce70733c211c…
	https://git.kernel.org/stable/c/ba37807d08bae67de…
	https://git.kernel.org/stable/c/683b0e397dad9f26a…
	https://git.kernel.org/stable/c/6bd90e700b4285e6a…

Impacted products

Vendor

Product

Version

Linux

Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < b17fcce70733c211cb5dabf54f4f9491920b1d92 (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < ba37807d08bae67de6139346a85650cab5f6145a (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < 683b0e397dad9f26a42dcacf6f7f545a77ce6c06 (git)
Affected: dd08ebf6c3525a7ea2186e636df064ea47281987 , < 6bd90e700b4285e6a7541e00f969cab0d696adde (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.12.43 , ≤ 6.12.* (semver)
Unaffected: 6.15.11 , ≤ 6.15.* (semver)
Unaffected: 6.16.2 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/xe/xe_guc_exec_queue_types.h",
            "drivers/gpu/drm/xe/xe_guc_submit.c",
            "drivers/gpu/drm/xe/xe_hw_fence.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b17fcce70733c211cb5dabf54f4f9491920b1d92",
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              "versionType": "git"
            },
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          "product": "Linux",
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          ],
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            },
            {
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            },
            {
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              "version": "6.16.2",
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            },
            {
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              "status": "unaffected",
              "version": "6.17",
              "versionType": "original_commit_for_fix"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Make dma-fences compliant with the safe access rules\n\nXe can free some of the data pointed to by the dma-fences it exports. Most\nnotably the timeline name can get freed if userspace closes the associated\nsubmit queue. At the same time the fence could have been exported to a\nthird party (for example a sync_fence fd) which will then cause an use-\nafter-free on subsequent access.\n\nTo make this safe we need to make the driver compliant with the newly\ndocumented dma-fence rules. Driver has to ensure a RCU grace period\nbetween signalling a fence and freeing any data pointed to by said fence.\n\nFor the timeline name we simply make the queue be freed via kfree_rcu and\nfor the shared lock associated with multiple queues we add a RCU grace\nperiod before freeing the per GT structure holding the lock."
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        "dateUpdated": "2025-09-29T10:47:41.720Z",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38703",
    "datePublished": "2025-09-04T15:32:54.779Z",
    "dateReserved": "2025-04-16T04:51:24.032Z",
    "dateUpdated": "2025-09-29T10:47:41.720Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

Nomenclature

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-2026:0793

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CVE-2025-39933 (GCVE-0-2025-39933)

CVE-2025-40277 (GCVE-0-2025-40277)

CVE-2025-68285 (GCVE-0-2025-68285)

CVE-2025-68287 (GCVE-0-2025-68287)

CVE-2025-38703 (GCVE-0-2025-38703)

Tags

Sightings

Nomenclature