CVE-2025-40216 Affecting perf6.12-debuginfo package, versions <1:6.12.37-61.105.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-14902681
  • published8 Jan 2026
  • disclosed4 Dec 2025

Introduced: 4 Dec 2025

CVE-2025-40216  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf6.12-debuginfo to version 1:6.12.37-61.105.amzn2023 or higher.
This issue was patched in ALAS2023-2025-1130.

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/rsrc: don't rely on user vaddr alignment

There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of it.

CVSS Base Scores

version 3.1