CVE-2022-50773
kernel: Linux kernel ALSA mts64 module: Denial of Service via null pointer dereference
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 24, 2025
Updated · June 30, 2026
Description
A flaw was found in the Linux kernel's ALSA (Advanced Linux Sound Architecture) mts64 module. A local user can trigger a null pointer dereference in the snd_mts64_interrupt function by repeatedly loading and unloading the snd-mts64 module. This can lead to a kernel panic, resulting in a Denial of Service (DoS) on the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference