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CVE-2026-31453

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: xfs: avoid dereferencing log items after push callbacks After xfsaild_push_item() calls iop_push(), the log item may have been…

Published Apr 22, 2026CWE-476EPSS 0.18%

Overview

CVE-2026-31453 is a high-severity vulnerability. It was published on April 22, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

xfs: avoid dereferencing log items after push callbacks

After xfsaild_push_item() calls iop_push(), the log item may have been

freed if the AIL lock was dropped during the push. Background inode

reclaim or the dquot shrinker can free the log item while the AIL lock

is not held, and the tracepoints in the switch statement dereference

the log item after iop_push() returns.

Fix this by capturing the log item type, flags, and LSN before calling

xfsaild_push_item(), and introducing a new xfs_ail_push_class trace

event class that takes these pre-captured values and the ailp pointer

instead of the log item pointer.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617Refgit.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5Refgit.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6Refgit.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7Refgit.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5Refgit.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31453?

CVE-2026-31453 is a high-severity vulnerability. It was published on April 22, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2026-31453?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-31453?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-31453?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31453 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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