Improper Update of Reference Count Affecting perf6.12-debuginfo package, versions <1:6.12.63-84.121.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-15319356
  • published19 Feb 2026
  • disclosed16 Dec 2025

Introduced: 16 Dec 2025

CVE-2025-68226  (opens in a new tab)
CWE-911  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.63-84.121.amzn2023 or higher.
This issue was patched in ALAS2023-2026-1430.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf6.12-debuginfo package and not the perf6.12-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 incomplete backport in cfids_invalidation_worker()

The previous commit bdb596ceb4b7 ("smb: client: fix potential UAF in smb2_close_cached_fid()") was an incomplete backport and missed one kref_put() call in cfids_invalidation_worker() that should have been converted to close_cached_dir().

CVSS Base Scores

version 3.1