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CVE-2026-23252

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: xfs: get rid of the xchk_xfile_*_descr calls The xchk_xfile_*_descr macros call kasprintf, which can fail to allocate memory if…

Published Mar 18, 2026EPSS 0.13%

Overview

CVE-2026-23252 is a medium-severity vulnerability. It was published on March 18, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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: get rid of the xchk_xfile_*_descr calls

The xchk_xfile_*_descr macros call kasprintf, which can fail to allocate

memory if the formatted string is larger than 16 bytes (or whatever the

nofail guarantees are nowadays). Some of them could easily exceed that,

and Jiaming Zhang found a few places where that can happen with syzbot.

The descriptions are debugging aids and aren't required to be unique, so

let's just pass in static strings and eliminate this path to failure.

Note this patch touches a number of commits, most of which were merged

between 6.6 and 6.14.

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/18e9cf2259b4157fd282b323514375f2f6a59edbRefgit.kernel.org/stable/c/2d8afee89262762fe0e5547772708c75f320c957Refgit.kernel.org/stable/c/60382993a2e18041f88c7969f567f168cd3b4de3Refgit.kernel.org/stable/c/695455fbc49053cbf555f2f302a5dcd600f412ff

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23252?

CVE-2026-23252 is a medium-severity vulnerability. It was published on March 18, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-23252?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-23252?

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-2026-23252?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23252 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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