Vulnerability in Kernel: ASoC ops: Shift tested values in snd_soc_put_volsw() by +min

Kernel Updated 02 Oct 2025

Summary

18/03/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1000839: ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min. Affects Kernel versions >= a9394f21fba027147bf275b083c77955864c366a, < 6951a5888165a38bb7c39a2d18f5668b2f1241c7. No fix is published. How to fix ↓

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Background

The Kernel is a critical component of the Linux operating system that manages communication between hardware and software. It provides essential functions and services to enable the proper functioning of the system. ASoC (Audio System on Chip) is a subsystem within the Kernel that handles audio-related operations. One of the functions in ASoC, snd_soc_put_volsw(), is responsible for adjusting volume levels. However, a vulnerability has been discovered in this function that allows for the shifting of tested values by +min, potentially leading to unintended consequences and security risks.

Vulnerability Detail

The vulnerability in snd_soc_put_volsw() arises from the improper handling of tested values. By shifting these values by +min, unexpected behavior can occur, potentially leading to security vulnerabilities. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v5.10.104 by commit 6951a5888165a38bb7c39a2d18f5668b2f1241c7. However, it was introduced in version v5.10.99 by commit a9394f21fba027147bf275b083c77955864c366a.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability. The recommended approach is to apply the fix by updating the Linux Kernel to the patched version.

Conclusion

In conclusion, a vulnerability has been identified in the Kernel's ASoC subsystem, specifically in the snd_soc_put_volsw() function. This vulnerability allows for the shifting of tested values by +min, potentially leading to security risks. It is crucial to update the Linux Kernel to version v5.10.104 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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