CVE-2026-43126

high

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: mixer: oss: Add card disconnect checkpoints ALSA OSS mixer layer calls the kcontrol ops rather individually, and pending calls might be not always caught at disconnecting the device. For avoiding the potential UAF scenarios, add sanity checks of the card disconnection at each entry point of OSS mixer accesses. The rwsem is taken just before that check, hence the rest context should be covered by that properly.

References

https://git.kernel.org/stable/c/e6645e625480cdf1079a4265f758d13b70721029

https://git.kernel.org/stable/c/ae583f113d15fa97e5234133c20d09f8e6214e47

https://git.kernel.org/stable/c/8c097cf736993454acf3f711a3b376d6c7ad8965

https://git.kernel.org/stable/c/084d5d44418148662365eced3e126ad1a81ee3e2

Details

Source: Mitre, NVD

Published: 2026-05-06

Updated: 2026-05-06

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: High