Use After Free Affecting libperf package, versions <0:5.14.0-687.47.1.el9_8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (3rd percentile)

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  • Snyk IDSNYK-ROCKY9-LIBPERF-19848939
  • published16 Sept 2026
  • disclosed8 May 2026

Introduced: 8 May 2026

CVE-2026-43370  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 libperf to version 0:5.14.0-687.47.1.el9_8 or higher.
This issue was patched in RLSA-2026:67150.

NVD Description

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

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

drm/amdgpu: Fix use-after-free race in VM acquire

Replace non-atomic vm->process_info assignment with cmpxchg() to prevent race when parent/child processes sharing a drm_file both try to acquire the same VM after fork().

(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)

CVSS Base Scores

version 3.1