A race condition issue leading to NULL pointer dereference was found in the Linux kernel sound subsystem. A privileged local user (root or member of the audio group) could use this flaw to crash the system, resulting in a denial of service condition.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 2129874]
This was fixed for Fedora with the 5.19.9 stable kernel updates.