description: 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.
problem types: CWE-416
affected:
{
product: kernel
vendor: n/a
versions:
status: affected, version: Linux kernel 5.17-rc9
}