CVE-2023-54169

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix memory leak in mlx5e_ptp_open When kvzalloc_node or kvzalloc failed in mlx5e_ptp_open, the memory pointed by "c" or "cparams" is not freed, which can lead to a memory leak. Fix by freeing the array in the error path.

Package Linux Kernel
Published 2025-12-30
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 5.11 and later are affected. Fixed in 5.15.121, 6.1.40, 6.4.5, 6.5 and their respective stable series.

Affected from
≥ 5.11
Fixed in
✓ 5.15.121 5.15.x ✓ 6.1.40 6.1.x ✓ 6.4.5 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-54169 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-2023-54169?

    CVE-2023-54169 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.11 onward and has been patched in 5.15.121, 6.1.40, 6.4.5 and others. CVE-2023-54169 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-54169?

    Yes — CVE-2023-54169 has been patched. Fixed versions include 5.15.121, 6.1.40, 6.4.5 and others. If you are running Linux kernel 5.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-54169 actively exploited?

    No — CVE-2023-54169 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.