CVE-2026-31454

HIGH EPSS 2.6%
Published Apr 22, 20262mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Apr 22, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: xfs: save ailp before dropping the AIL lock in push callbacks In xfs_inode_item_push() and xfs_qm_dquot_logitem_push(), the AIL lock is dropped to perform buffer IO. Once the cluster buffer no longer protects the log item from reclaim, the log item may be freed by background reclaim or the dquot shrinker. The subsequent spin_lock() call dereferences lip->li_ailp, which is a use-after-free. Fix this by saving the ailp pointer in a local variable while the AIL lock is held and the log item is guaranteed to be valid.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
2.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 12

VendorProductVersionRange
linuxlinux_kernel*≥5.9  –  <5.10.253
linuxlinux_kernel*≥5.11  –  <5.15.203
linuxlinux_kernel*≥5.16  –  <6.1.168
linuxlinux_kernel*≥6.2  –  <6.6.131
linuxlinux_kernel*≥6.7  –  <6.12.80
linuxlinux_kernel*≥6.13  –  <6.18.21
linuxlinux_kernel*≥6.19  –  <6.19.11
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/19437e4f7bb909afde832b39372aa2f3ce3cfd88
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/394d70b86fae9fe865e7e6d9540b7696f73aa9b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4c7d50147316cf049462f327c4a3e9dc2b7f1dd0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/50f5f056807b7bed74f4f307f2ca0ed92f3e556d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/75669e987137f49c99ca44406bf0200d1892dd16
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/edd1637d4e3911ab6c760f553f2040fe72f61a13
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/19437e4f7bb909afde832b39372aa2f3ce3cfd88
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/394d70b86fae9fe865e7e6d9540b7696f73aa9b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4c7d50147316cf049462f327c4a3e9dc2b7f1dd0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/50f5f056807b7bed74f4f307f2ca0ed92f3e556d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6dbe17f19c290a72ce57d5abc70e1fad0c3e14e5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/75669e987137f49c99ca44406bf0200d1892dd16
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8fc60bbaf5aea1604bf9f4ed565da6a1ac7a87d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/edd1637d4e3911ab6c760f553f2040fe72f61a13
    Patch