NULL Pointer Dereference Affecting libperf package, versions <0:5.14.0-687.5.3.el9_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX9-LIBPERF-16889343
  • published27 May 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

NewCVE-2026-23060  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 libperf to version 0:5.14.0-687.5.3.el9_8 or higher.
This issue was patched in ALSA-2026:19225.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libperf package and not the libperf package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec

authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_authenc_esn_decrypt() can advance past the end of the destination scatterlist and trigger a NULL pointer dereference in scatterwalk_map_and_copy(), leading to a kernel panic (DoS).

Add a minimum AAD length check to fail fast on invalid inputs.

CVSS Base Scores

version 3.1