CVE-2022-49538

MEDIUM

Linux Kernel - NULL Pointer Dereference in ALSA Jack Input Device Handling

Title source: llm
STIX 2.1

Description

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.

References (9)

Core 9

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 16.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (29)
linux/Kernel 3.13.0 - 4.9.318linux
linux/Kernel 4.10.0 - 4.14.283linux
linux/Kernel 4.15.0 - 4.19.247linux
linux/Kernel 4.20.0 - 5.4.198linux
linux/Kernel 5.11.0 - 5.15.46linux
linux/Kernel 5.16.0 - 5.17.14linux
linux/Kernel 5.18.0 - 5.18.3linux
linux/Kernel 5.5.0 - 5.10.121linux
Linux/Linux < 3.13
Linux/Linux 3.13
... and 19 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026