Improper Update of Reference Count Affecting perf-debuginfo package, versions <1:6.1.170-210.320.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.01% (3rd percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-16737361
  • published18 May 2026
  • disclosed24 Apr 2026

Introduced: 24 Apr 2026

CVE-2026-31634  (opens in a new tab)
CWE-911  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 1:6.1.170-210.320.amzn2023 or higher.
This issue was patched in ALAS2023-2026-1694.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-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:

rxrpc: fix reference count leak in rxrpc_server_keyring()

This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.

CVSS Base Scores

version 3.1