Vulnerability-Lookup

alsa-2025:16919

Vulnerability from osv_almalinux

Published

2025-09-29 00:00

Modified

2025-10-01 09:28

Summary

Moderate: kernel security update

Details

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

Security Fix(es):

kernel: nfsd: don't ignore the return code of svc_proc_register() (CVE-2025-22026)
kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)
kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails (CVE-2022-50087)
kernel: sctp: linearize cloned gso packets in sctp_rcv (CVE-2025-38718)

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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          ],
          "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: nfsd: don\u0027t ignore the return code of svc_proc_register() (CVE-2025-22026)\n  * kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)\n  * kernel: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails (CVE-2022-50087)\n  * kernel: sctp: linearize cloned gso packets in sctp_rcv (CVE-2025-38718)\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-2025:16919",
  "modified": "2025-10-01T09:28:42Z",
  "published": "2025-09-29T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:16919"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2022-50087"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-22026"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-37797"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-38718"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2360224"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2363672"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2373539"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2393166"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2025-16919.html"
    }
  ],
  "related": [
    "CVE-2025-22026",
    "CVE-2025-37797",
    "CVE-2022-50087",
    "CVE-2025-38718"
  ],
  "summary": "Moderate: kernel security update"
}

CVE-2025-37797 (GCVE-0-2025-37797)

Vulnerability from cvelistv5 – Published: 2025-05-02 14:16 – Updated: 2025-11-03 19:55

Title

net_sched: hfsc: Fix a UAF vulnerability in class handling

Summary

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-use condition in hfsc_change_class() when working with certain child qdiscs like netem or codel. The vulnerability works as follows: 1. hfsc_change_class() checks if a class has packets (q.qlen != 0) 2. It then calls qdisc_peek_len(), which for certain qdiscs (e.g., codel, netem) might drop packets and empty the queue 3. The code continues assuming the queue is still non-empty, adding the class to vttree 4. This breaks HFSC scheduler assumptions that only non-empty classes are in vttree 5. Later, when the class is destroyed, this can lead to a Use-After-Free The fix adds a second queue length check after qdisc_peek_len() to verify the queue wasn't emptied.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/28b09a067831f7317…
	https://git.kernel.org/stable/c/39b9095dd3b55d9b2…
	https://git.kernel.org/stable/c/fcc8ede663569c704…
	https://git.kernel.org/stable/c/20d584a33e480ae80…
	https://git.kernel.org/stable/c/3aa852e3605000d5c…
	https://git.kernel.org/stable/c/86cd4641c713455a4…
	https://git.kernel.org/stable/c/bb583c88d23b72d8d…
	https://git.kernel.org/stable/c/3df275ef0a6ae181e…

Impacted products

Vendor

Product

Version

Linux

Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 28b09a067831f7317c3841812276022d6c940677 (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 39b9095dd3b55d9b2743df038c32138efa34a9de (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < fcc8ede663569c704fb00a702973bd6c00373283 (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 20d584a33e480ae80d105f43e0e7b56784da41b9 (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 3aa852e3605000d5c47035c3fc3a986d14ccfa9f (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 86cd4641c713455a4f1c8e54c370c598c2b1cee0 (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < bb583c88d23b72d8d16453d24856c99bd93dadf5 (git)
Affected: 21f4d5cc25ec0e6e8eb8420dd2c399e6d2fc7d14 , < 3df275ef0a6ae181e8428a6589ef5d5231e58b5c (git)

Linux

Affected: 4.14
Unaffected: 0 , < 4.14 (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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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: hfsc: Fix a UAF vulnerability in class handling\n\nThis patch fixes a Use-After-Free vulnerability in the HFSC qdisc class\nhandling. The issue occurs due to a time-of-check/time-of-use condition\nin hfsc_change_class() when working with certain child qdiscs like netem\nor codel.\n\nThe vulnerability works as follows:\n1. hfsc_change_class() checks if a class has packets (q.qlen != 0)\n2. It then calls qdisc_peek_len(), which for certain qdiscs (e.g.,\n   codel, netem) might drop packets and empty the queue\n3. The code continues assuming the queue is still non-empty, adding\n   the class to vttree\n4. This breaks HFSC scheduler assumptions that only non-empty classes\n   are in vttree\n5. Later, when the class is destroyed, this can lead to a Use-After-Free\n\nThe fix adds a second queue length check after qdisc_peek_len() to verify\nthe queue wasn\u0027t emptied."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-26T05:21:05.138Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          "url": "https://git.kernel.org/stable/c/39b9095dd3b55d9b2743df038c32138efa34a9de"
        },
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          "url": "https://git.kernel.org/stable/c/fcc8ede663569c704fb00a702973bd6c00373283"
        },
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          "url": "https://git.kernel.org/stable/c/20d584a33e480ae80d105f43e0e7b56784da41b9"
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    "datePublished": "2025-05-02T14:16:01.905Z",
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CVE-2025-22026 (GCVE-0-2025-22026)

Vulnerability from cvelistv5 – Published: 2025-04-16 14:11 – Updated: 2026-02-19 15:39

Title

nfsd: don't ignore the return code of svc_proc_register()

Summary

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svc_proc_register() Currently, nfsd_proc_stat_init() ignores the return value of svc_proc_register(). If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix nfsd_proc_stat_init() to return the same type of pointer as svc_proc_register(), and fix up nfsd_net_init() to check that and fail the nfsd_net construction if it occurs. svc_proc_register() can fail if the dentry can't be allocated, or if an identical dentry already exists. The second case is pretty unlikely in the nfsd_net construction codepath, so if this happens, return -ENOMEM.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/51da899c209a9624e…
	https://git.kernel.org/stable/c/30405b23b4d5e2a59…
	https://git.kernel.org/stable/c/6a59b70fe71ec66c0…
	https://git.kernel.org/stable/c/e31957a819e60cf0b…
	https://git.kernel.org/stable/c/9d9456185fd5f1891…
	https://git.kernel.org/stable/c/930b64ca0c511521f…

Impacted products

Vendor

Product

Version

Linux

Affected: 10ece754df9a799131a1cf3197e9d26c04ddec22 , < 51da899c209a9624e48be416bd30e7ed5cd6c3d8 (git)
Affected: 6f8d6ed3426a17f77628cebfb6a6e2c6f2b2496c , < 30405b23b4d5e2a596fb756d48119d7293194e75 (git)
Affected: 93483ac5fec62cc1de166051b219d953bb5e4ef4 , < 6a59b70fe71ec66c0dd19e2c279c71846a3fb2f0 (git)
Affected: 93483ac5fec62cc1de166051b219d953bb5e4ef4 , < e31957a819e60cf0bc9a49408765e6095fd3d046 (git)
Affected: 93483ac5fec62cc1de166051b219d953bb5e4ef4 , < 9d9456185fd5f1891c74354ee297f19538141ead (git)
Affected: 93483ac5fec62cc1de166051b219d953bb5e4ef4 , < 930b64ca0c511521f0abdd1d57ce52b2a6e3476b (git)
Affected: 5545496966631cd40ad3aa6450be56d0e5773d10 (git)
Affected: 73c43bccf25cec9cdec62fc22a513c28a4b28390 (git)
Affected: b7b05f98f3f06fea3986b46e5c7fe2928676b02d (git)

Linux

Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.1.164 , ≤ 6.1.* (semver)
Unaffected: 6.6.125 , ≤ 6.6.* (semver)
Unaffected: 6.12.24 , ≤ 6.12.* (semver)
Unaffected: 6.13.12 , ≤ 6.13.* (semver)
Unaffected: 6.14.2 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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CVE-2025-38718 (GCVE-0-2025-38718)

Vulnerability from cvelistv5 – Published: 2025-09-04 15:33 – Updated: 2026-02-06 16:31

Title

sctp: linearize cloned gso packets in sctp_rcv

Summary

In the Linux kernel, the following vulnerability has been resolved: sctp: linearize cloned gso packets in sctp_rcv A cloned head skb still shares these frag skbs in fraglist with the original head skb. It's not safe to access these frag skbs. syzbot reported two use-of-uninitialized-memory bugs caused by this: BUG: KMSAN: uninit-value in sctp_inq_pop+0x15b7/0x1920 net/sctp/inqueue.c:211 sctp_inq_pop+0x15b7/0x1920 net/sctp/inqueue.c:211 sctp_assoc_bh_rcv+0x1a7/0xc50 net/sctp/associola.c:998 sctp_inq_push+0x2ef/0x380 net/sctp/inqueue.c:88 sctp_backlog_rcv+0x397/0xdb0 net/sctp/input.c:331 sk_backlog_rcv+0x13b/0x420 include/net/sock.h:1122 __release_sock+0x1da/0x330 net/core/sock.c:3106 release_sock+0x6b/0x250 net/core/sock.c:3660 sctp_wait_for_connect+0x487/0x820 net/sctp/socket.c:9360 sctp_sendmsg_to_asoc+0x1ec1/0x1f00 net/sctp/socket.c:1885 sctp_sendmsg+0x32b9/0x4a80 net/sctp/socket.c:2031 inet_sendmsg+0x25a/0x280 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:718 [inline] and BUG: KMSAN: uninit-value in sctp_assoc_bh_rcv+0x34e/0xbc0 net/sctp/associola.c:987 sctp_assoc_bh_rcv+0x34e/0xbc0 net/sctp/associola.c:987 sctp_inq_push+0x2a3/0x350 net/sctp/inqueue.c:88 sctp_backlog_rcv+0x3c7/0xda0 net/sctp/input.c:331 sk_backlog_rcv+0x142/0x420 include/net/sock.h:1148 __release_sock+0x1d3/0x330 net/core/sock.c:3213 release_sock+0x6b/0x270 net/core/sock.c:3767 sctp_wait_for_connect+0x458/0x820 net/sctp/socket.c:9367 sctp_sendmsg_to_asoc+0x223a/0x2260 net/sctp/socket.c:1886 sctp_sendmsg+0x3910/0x49f0 net/sctp/socket.c:2032 inet_sendmsg+0x269/0x2a0 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:712 [inline] This patch fixes it by linearizing cloned gso packets in sctp_rcv().

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/d0194e391bb493aa6…
	https://git.kernel.org/stable/c/03d0cc6889e024201…
	https://git.kernel.org/stable/c/cd0e92bb2b7542fb9…
	https://git.kernel.org/stable/c/4506bcaabe004d07b…
	https://git.kernel.org/stable/c/ea094f38d387d1b0d…
	https://git.kernel.org/stable/c/7d757f17bc2ef2727…
	https://git.kernel.org/stable/c/fc66772607101bd20…
	https://git.kernel.org/stable/c/1bd5214ea681584c5…
	https://git.kernel.org/stable/c/fd60d8a086191fe33…

Impacted products

Vendor

Product

Version

Linux

Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < d0194e391bb493aa6cec56d177b14df6b29188d5 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 03d0cc6889e02420125510b5444b570f4bbf53d5 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < cd0e92bb2b7542fb96397ffac639b4f5b099d0cb (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 4506bcaabe004d07be8ff09116a3024fbd6aa965 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < ea094f38d387d1b0ded5dee4a3e5720aa4ce0139 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 7d757f17bc2ef2727994ffa6d5d6e4bc4789a770 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < fc66772607101bd2030a4332b3bd0ea3b3605250 (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 1bd5214ea681584c5886fea3ba03e49f93a43c0e (git)
Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < fd60d8a086191fe33c2d719732d2482052fa6805 (git)

Linux

Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.162 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (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

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          "url": "https://git.kernel.org/stable/c/cd0e92bb2b7542fb96397ffac639b4f5b099d0cb"
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          "url": "https://git.kernel.org/stable/c/7d757f17bc2ef2727994ffa6d5d6e4bc4789a770"
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          "url": "https://git.kernel.org/stable/c/1bd5214ea681584c5886fea3ba03e49f93a43c0e"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd60d8a086191fe33c2d719732d2482052fa6805"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38718",
    "datePublished": "2025-09-04T15:33:12.448Z",
    "dateReserved": "2025-04-16T04:51:24.033Z",
    "dateUpdated": "2026-02-06T16:31:22.089Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2022-50087 (GCVE-0-2022-50087)

Vulnerability from cvelistv5 – Published: 2025-06-18 11:02 – Updated: 2025-07-15 15:43

Title

firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails

Summary

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpi_info is not set and will remain NULL until the probe succeeds. If it is not taken care, then it could result use-after-free as the value is exported via get_scpi_ops() and could refer to a memory allocated via devm_kzalloc() but freed when the probe fails.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/5aa558232edc30468…
	https://git.kernel.org/stable/c/18048cba444a7c41d…
	https://git.kernel.org/stable/c/08272646cd7c31064…
	https://git.kernel.org/stable/c/0c29e149b6bb49877…
	https://git.kernel.org/stable/c/87c4896d5dd7fd992…
	https://git.kernel.org/stable/c/4f2d7b46d6b53c07f…
	https://git.kernel.org/stable/c/689640efc0a2c4e07…

Impacted products

Vendor

Product

Version

Linux

Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 5aa558232edc30468d1f35108826dd5b3ffe978f (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 18048cba444a7c41dbf42c180d6b46606fc24c51 (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 08272646cd7c310642c39b7f54348fddd7987643 (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 0c29e149b6bb498778ed8a1c9597b51acfba7856 (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 87c4896d5dd7fd9927c814cf3c6289f41de3b562 (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87 (git)
Affected: 8cb7cf56c9fe5412de238465b27ef35b4d2801aa , < 689640efc0a2c4e07e6f88affe6d42cd40cc3f85 (git)

Linux

Affected: 4.4
Unaffected: 0 , < 4.4 (semver)
Unaffected: 4.19.256 , ≤ 4.19.* (semver)
Unaffected: 5.4.211 , ≤ 5.4.* (semver)
Unaffected: 5.10.137 , ≤ 5.10.* (semver)
Unaffected: 5.15.61 , ≤ 5.15.* (semver)
Unaffected: 5.18.18 , ≤ 5.18.* (semver)
Unaffected: 5.19.2 , ≤ 5.19.* (semver)
Unaffected: 6.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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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-2025:16919

Vulnerability from osv_almalinux

CVE-2025-37797 (GCVE-0-2025-37797)

CVE-2025-22026 (GCVE-0-2025-22026)

CVE-2025-38718 (GCVE-0-2025-38718)

CVE-2022-50087 (GCVE-0-2022-50087)

Tags

Sightings

Nomenclature