CVE-2022-49538

ALSA: jack: Access input_dev under mutex

Medium · published February 26, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
18.5
In the wild
Unconfirmed
What it is

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

ALSA: jack: Access input_dev under mutex

It is possible when using ASoC that input_dev is unregistered while

calling snd_jack_report, which causes NULL pointer dereference.

In order to prevent this serialize access to input_dev using mutex lock.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00272 · 18.5th percentile
Published
2025-02-26T02:13Z
EPSS history
Timeline
  • 26 FEB 02:13Z
    ALSA: jack: Access input_dev under mutex
    cvelistv5