NULL Pointer Dereference Affecting perf6.12-debuginfo package, versions <1:6.12.53-69.119.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-PERF612DEBUGINFO-14430688
  • published17 Dec 2025
  • disclosed15 Oct 2025

Introduced: 15 Oct 2025

CVE-2025-39990  (opens in a new tab)
CWE-476  (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:

bpf: Check the helper function is valid in get_helper_proto

kernel test robot reported verifier bug [1] where the helper func pointer could be NULL due to disabled config option.

As Alexei suggested we could check on that in get_helper_proto directly. Marking tail_call helper func with BPF_PTR_POISON, because it is unused by design.

[1] https://lore.kernel.org/oe-lkp/202507160818.68358831-lkp@intel.com

CVSS Base Scores

version 3.1