CVE-2026-31620
kernel: ALSA: usx2y: us144mkii: fix NULL deref on missing interface 0
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 24, 2026
Updated · June 28, 2026
Description
A flaw was found in the Linux kernel, specifically within the ALSA usx2y driver for the TASCAM US-144MKII audio interface. A malicious USB device, crafted to have an invalid configuration with a missing interface, can cause the driver to attempt to access a non-existent memory location (a NULL dereference). This can lead to a system crash, resulting in a Denial of Service (DoS).
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 · 4.3CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference