CVE-2022-49538

ALSA: jack: Access input_dev under mutex

State: Published
Severity: 5.5 Medium
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-476 NULL Pointer Dereference

Affected Products

Product	Versions
LinuxLinux	32b8544296b944b204b33f9837701d4d0b9adefe to before 74bab3bcf422593c582e47130aa8eb41ebb2dc09Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before 8487a88136d54a1a4d3f26f1399685db648ab879Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before c093b62c40027c21d649c5534ad7aa3605a99b00Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before f68bed124c7699e23ffb4ce4fcc84671e9193cdeAffected 32b8544296b944b204b33f9837701d4d0b9adefe to before e2b8681769f6e205382f026b907d28aa5ec9d59aAffected 32b8544296b944b204b33f9837701d4d0b9adefe to before 5cc6f623f4818c7d7e9e966a45ebf324901ca9c5Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before 9e6a73b0c0f2014eb89249fb1640c5a3d58221c4Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before 582aea6084cc59fec881204f026816d1219f2348Affected 32b8544296b944b204b33f9837701d4d0b9adefe to before 1b6a6fc5280e97559287b61eade2d4b363e836f2Affected
LinuxLinux	3.13Affected before 3.13Not affected 4.9.318 through 4.9.Not affected 4.14.283 through 4.14.Not affected 4.19.247 through 4.19.Not affected 5.4.198 through 5.4.Not affected 5.10.121 through 5.10.Not affected 5.15.46 through 5.15.Not affected 5.17.14 through 5.17.Not affected 5.18.3 through 5.18.Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

32b8544296b944b204b33f9837701d4d0b9adefe to before 74bab3bcf422593c582e47130aa8eb41ebb2dc09Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before 8487a88136d54a1a4d3f26f1399685db648ab879Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before c093b62c40027c21d649c5534ad7aa3605a99b00Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before f68bed124c7699e23ffb4ce4fcc84671e9193cdeAffected
32b8544296b944b204b33f9837701d4d0b9adefe to before e2b8681769f6e205382f026b907d28aa5ec9d59aAffected
32b8544296b944b204b33f9837701d4d0b9adefe to before 5cc6f623f4818c7d7e9e966a45ebf324901ca9c5Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before 9e6a73b0c0f2014eb89249fb1640c5a3d58221c4Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before 582aea6084cc59fec881204f026816d1219f2348Affected
32b8544296b944b204b33f9837701d4d0b9adefe to before 1b6a6fc5280e97559287b61eade2d4b363e836f2Affected

LinuxLinux

3.13Affected
before 3.13Not affected
4.9.318 through 4.9.*Not affected
4.14.283 through 4.14.*Not affected
4.19.247 through 4.19.*Not affected
5.4.198 through 5.4.*Not affected
5.10.121 through 5.10.*Not affected
5.15.46 through 5.15.*Not affected
5.17.14 through 5.17.*Not affected
5.18.3 through 5.18.*Not affected
5.19 and laterNot affected

References

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