Improperly Implemented Security Check for Standard 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
0.16% (7th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-15319502
  • published19 Feb 2026
  • disclosed16 Dec 2025

Introduced: 16 Dec 2025

CVE-2025-68242  (opens in a new tab)
CWE-358  (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:

NFS: Fix LTP test failures when timestamps are delegated

The utimes01 and utime06 tests fail when delegated timestamps are enabled, specifically in subtests that modify the atime and mtime fields using the 'nobody' user ID.

The problem can be reproduced as follow:

echo "/media *(rw,no_root_squash,sync)" >> /etc/exports

export -ra

mount -o rw,nfsvers=4.2 127.0.0.1:/media /tmpdir

cd /opt/ltp

./runltp -d /tmpdir -s utimes01

./runltp -d /tmpdir -s utime06

This issue occurs because nfs_setattr does not verify the inode's UID against the caller's fsuid when delegated timestamps are permitted for the inode.

This patch adds the UID check and if it does not match then the request is sent to the server for permission checking.

CVSS Base Scores

version 3.1