CVE-2025-40103 Affecting perf-debuginfo package, versions <1:6.1.158-178.288.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.08% (23rd percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-14430907
  • published17 Dec 2025
  • disclosed30 Oct 2025

Introduced: 30 Oct 2025

CVE-2025-40103  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 1:6.1.158-178.288.amzn2023 or higher.
This issue was patched in ALAS2023-2025-1297.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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

smb: client: Fix refcount leak for cifs_sb_tlink

Fix three refcount inconsistency issues related to cifs_sb_tlink.

Comments for cifs_sb_tlink state that cifs_put_tlink() needs to be called after successful calls to cifs_sb_tlink(). Three calls fail to update refcount accordingly, leading to possible resource leaks.

CVSS Base Scores

version 3.1