Out-of-bounds Write Affecting perf package, versions <1:6.1.158-178.288.amzn2023


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF-13881002
  • published11 Nov 2025
  • disclosed24 Oct 2025

Introduced: 24 Oct 2025

NewCVE-2025-40019  (opens in a new tab)
CWE-787  (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 ALAS2023-2025-1282.

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:

crypto: essiv - Check ssize for decryption and in-place encryption

Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.

CVSS Base Scores

version 3.1