Use After Free Affecting perf package, versions <1:6.1.158-178.288.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-14430941
  • published17 Dec 2025
  • disclosed12 Nov 2025

Introduced: 12 Nov 2025

CVE-2025-40111  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf 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 package and not the perf 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:

drm/vmwgfx: Fix Use-after-free in validation

Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are expected to be cleared in vmw_validation_drop_ht but this node escaped because its resource was destroyed prematurely.

CVSS Base Scores

version 3.1