SB20251226214 - NULL pointer dereference in Linux kernel codecs side-codecs



SB20251226214 - NULL pointer dereference in Linux kernel codecs side-codecs

Published: December 26, 2025

Security Bulletin ID SB20251226214
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-68345)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the cs35l41_hda_read_acpi() function in sound/hda/codecs/side-codecs/cs35l41_hda.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.