CVE-2023-54128

In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.

Package Linux Kernel
Published 2025-12-24
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 5.12 and later are affected. Fixed in 5.15.107, 6.1.24, 6.2.11, 6.3 and their respective stable series.

Affected from
≥ 5.12
Fixed in
✓ 5.15.107 5.15.x ✓ 6.1.24 6.1.x ✓ 6.2.11 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-54128 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-54128?

    CVE-2023-54128 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.12 onward and has been patched in 5.15.107, 6.1.24, 6.2.11 and others. CVE-2023-54128 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-54128?

    Yes — CVE-2023-54128 has been patched. Fixed versions include 5.15.107, 6.1.24, 6.2.11 and others. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-54128 actively exploited?

    No — CVE-2023-54128 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.