CVE-2025-68345
kernel: Linux kernel ALSA: Denial of Service due to 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 Advanced Linux Sound Architecture (ALSA) component. This vulnerability, a NULL pointer dereference, occurs in the cs35l41_hda_read_acpi() function when a null value is not properly handled. A local attacker could exploit this to trigger 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 · 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