Improper Synchronization Affecting bpftool-debuginfo package, versions <0:6.1.111-120.187.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2023-BPFTOOLDEBUGINFO-8381657
  • published15 Nov 2024
  • disclosed13 Sept 2024

Introduced: 13 Sep 2024

CVE-2024-46713  (opens in a new tab)
CWE-662  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 bpftool-debuginfo to version 0:6.1.111-120.187.amzn2023 or higher.
This issue was patched in ALAS2023-2024-744.

NVD Description

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

perf/aux: Fix AUX buffer serialization

Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it.

Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.

CVSS Scores

version 3.1