Incorrect Synchronization Affecting perf6.12-debuginfo package, versions <1:6.12.58-82.121.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.18% (8th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-15849936
  • published30 Mar 2026
  • disclosed16 Dec 2025

Introduced: 16 Dec 2025

CVE-2025-68188  (opens in a new tab)
CWE-821  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.58-82.121.amzn2023 or higher.
This issue was patched in ALAS2023-2026-1495.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf6.12-debuginfo package and not the perf6.12-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:

tcp: use dst_dev_rcu() in tcp_fastopen_active_disable_ofo_check()

Use RCU to avoid a pair of atomic operations and a potential UAF on dst_dev()->flags.

CVSS Base Scores

version 3.1