Operation on a Resource after Expiration or Release Affecting bpftool6.12-debuginfo package, versions <1:6.12.48-67.114.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.13% (4th percentile)

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  • Snyk IDSNYK-AMZN2023-BPFTOOL612DEBUGINFO-14429930
  • published17 Dec 2025
  • disclosed1 Oct 2025

Introduced: 1 Oct 2025

CVE-2025-39912  (opens in a new tab)
CWE-672  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 bpftool6.12-debuginfo to version 1:6.12.48-67.114.amzn2023 or higher.
This issue was patched in ALAS2023-2025-1227.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool6.12-debuginfo package and not the bpftool6.12-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:

nfs/localio: restore creds before releasing pageio data

Otherwise if the nfsd filecache code releases the nfsd_file immediately, it can trigger the BUG_ON(cred == current->cred) in __put_cred() when it puts the nfsd_file->nf_file->f-cred.

CVSS Base Scores

version 3.1