CVE-2024-44954
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedSep 4, 2024
First seenSep 4, 2024
How to fix
Update
- linux linux_kernel4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.105, 6.6.46, 6.10.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.19.320, 4.20 < v < 5.4.282, 5.5 ≤ v < 5.10.224, 5.11 < v < 5.15.165, 5.16 ≤ v < 6.1.105, 6.2 ≤ v < 6.6.46, 6.7 ≤ v < 6.10.5, 6.11 | 4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.105, 6.6.46, 6.10.5 |
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