Race Condition Affecting bpftool package, versions <0:5.15.0-302.167.6.el9uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE9-BPFTOOL-8376219
  • published14 Nov 2024
  • disclosed4 Sept 2024

Introduced: 4 Sep 2024

CVE-2024-44954  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:9 bpftool to version 0:5.15.0-302.167.6.el9uek or higher.
This issue was patched in ELSA-2024-12815.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Oracle. See How to fix? for Oracle:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

ALSA: line6: Fix racy access to midibuf

There can be concurrent accesses to line6 midibuf from both the URB completion callback and the rawmidi API access. This could be a cause of KMSAN warning triggered by syzkaller below (so put as reported-by here).

This patch protects the midibuf call of the former code path with a spinlock for avoiding the possible races.

CVSS Scores

version 3.1