Race Condition Affecting kernel-coco_debug package, versions <6.4.0-15061.6.coco15sp6.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES156-KERNELCOCODEBUG-8169681
  • published9 Oct 2024
  • disclosed8 Oct 2024

Introduced: 8 Oct 2024

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

How to fix?

Upgrade SLES:15.6 kernel-coco_debug to version 6.4.0-15061.6.coco15sp6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-coco_debug package and not the kernel-coco_debug package as distributed by SLES. See How to fix? for SLES:15.6 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