What the vulnerability does

01Description

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Key dates

02Disclosure timeline

April 29, 2022 CVE published
August 2, 2024 Record updated