ALSA usx2y: NULL address vulnerability in Kernel

Kernel Updated 02 Oct 2025

Summary

03/08/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001204: ALSA: usx2y: Don't call free_pages_exact() with NULL address. Affects Kernel versions < 82e5ee742fdd8874fe996181b87fafe1eb5f1196. No fix is published. How to fix ↓

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Background

The ALSA (Advanced Linux Sound Architecture) is a software framework and part of the Linux Kernel that provides an API for sound card drivers. The usx2y driver is responsible for supporting USB sound devices based on the Tascam USX2Y chipset. This vulnerability affects the Kernel package in the Linux ecosystem.

Vulnerability Detail

The vulnerability in the ALSA usx2y driver involves calling the free_pages_exact() function with a NULL address. This issue can potentially lead to a NULL pointer dereference, causing a system crash or other unpredictable behavior. The impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The ALSA usx2y NULL address vulnerability in the Kernel package has been identified and fixed in Linux Kernel version v5.13.4. Users are advised to update their Kernel to the fixed version to mitigate the potential risks associated with this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.

See every vulnerability recorded for Kernel →