ALSA: pcm: Test for "silence" field in struct "pcm_format_data"

Kernel Updated 02 Oct 2025

Summary

24/04/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1001641: ALSA: pcm: Test for "silence" field in struct "pcm_format_data". Affects Kernel versions < 63038f6e96a77a0abf8083649c53e6a72c1a0124. 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 devices. The vulnerability affects the pcm component of ALSA, which is responsible for handling audio data streams. The pcm_format_data structure is used to store information about the format of the audio data, including the silence field.

Vulnerability Detail

The vulnerability in ALSA's pcm component involves a missing test for the "silence" field in the pcm_format_data structure. This oversight could potentially lead to security vulnerabilities, although the actual impact and attack plausibility have not been proven. The vulnerability has been fixed in Linux Kernel version v5.15.35 by commit 63038f6e96a77a0abf8083649c53e6a72c1a0124.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.15.35 or later. This can be done by pulling the latest changes from the official Linux Kernel repository and rebuilding the kernel. Alternatively, users can wait for their Linux distribution to provide an updated kernel package.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

The ALSA pcm component vulnerability involving the missing test for the "silence" field in the pcm_format_data structure has been addressed in Linux Kernel version v5.15.35. It is recommended to update the kernel to the fixed version to mitigate any potential security risks. For further support on vulnerability remediation, please contact DevNack.com.

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