ALSA: jack: Access input_dev under mutex

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1004000: ALSA: jack: Access input_dev under mutex. Affects Kernel versions < 8487a88136d54a1a4d3f26f1399685db648ab879. No fix is published. How to fix ↓

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Background

The ALSA (Advanced Linux Sound Architecture) package is responsible for providing audio and MIDI functionality to the Linux operating system. It includes drivers, libraries, and utilities for audio and MIDI devices. The 'jack' component within ALSA is used for low-latency audio connections between applications. This vulnerability affects the 'jack' component in the Linux Kernel.

Vulnerability Detail

The vulnerability in ALSA's 'jack' component allows unauthorized access to the 'input_dev' structure while holding a mutex. This can lead to potential security issues, although the exact impact and attack plausibility have not been proven. The vulnerability has been fixed in Linux Kernel version v4.14.283 by commit 8487a88136d54a1a4d3f26f1399685db648ab879.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

No specific workaround has been provided for this vulnerability.

Conclusion

The ALSA 'jack' component in the Linux Kernel is vulnerable to unauthorized access to the 'input_dev' structure under a mutex. It is recommended to update the Linux Kernel to version v4.14.283 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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