What is CVE-2023-54189?

CVE-2023-54189 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 5.4.12 onward and patched in 5.4.251, 5.10.188, 5.15.121 and others. CVE-2023-54189 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-54189?

CVE-2023-54189 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2023-54189?

Yes, CVE-2023-54189 has been patched. Fixed versions include 5.4.251, 5.10.188, 5.15.121 and others. If you are running Linux kernel 5.4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-54189 actively exploited?

CVE-2023-54189 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-54189

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

Package Linux Kernel

Published 2025-12-30

Last modified 2026-04-15

Patch available

Yes

Affected versions

Linux kernel versions 5.4.12, 5.5 and later are affected. Fixed in 5.4.251, 5.10.188, 5.15.121, 6.1.39, 6.3.13, 6.4.4, 6.5 and their respective stable series.

Affected from

≥ 5.4.12 ≥ 5.5

Fixed in

✓ 5.4.251 5.4.x ✓ 5.10.188 5.10.x ✓ 5.15.121 5.15.x ✓ 6.1.39 6.1.x ✓ 6.3.13 6.3.x ✓ 6.4.4 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-54189 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/065c81ae5817b245bb9feb6d54e027702740b49a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2a764a2facd9dd88a69777200f65dfd0182765dc
Patch
Kernel patch commit
https://git.kernel.org/stable/c/38a9d7dac3ad25323145b4aaea3b5f434f50011d
Patch

7 patch commits total View all on NVD

Frequently asked questions

What is CVE-2023-54189?

CVE-2023-54189 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.4.12 onward and has been patched in 5.4.251, 5.10.188, 5.15.121 and others. CVE-2023-54189 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2023-54189?

Yes — CVE-2023-54189 has been patched. Fixed versions include 5.4.251, 5.10.188, 5.15.121 and others. If you are running Linux kernel 5.4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-54189 actively exploited?

No — CVE-2023-54189 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.