Improper Synchronization Affecting perf6.12-debuginfo package, versions <1:6.12.53-69.119.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.15% (5th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-14430497
  • published17 Dec 2025
  • disclosed28 Oct 2025

Introduced: 28 Oct 2025

CVE-2025-40047  (opens in a new tab)
CWE-662  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.53-69.119.amzn2023 or higher.
This issue was patched in ALAS2023-2025-1254.

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:

io_uring/waitid: always prune wait queue entry in io_waitid_wait()

For a successful return, always remove our entry from the wait queue entry list. Previously this was skipped if a cancelation was in progress, but this can race with another invocation of the wait queue entry callback.

CVSS Base Scores

version 3.1