SB2025100963 - NULL pointer dereference in Linux kernel amd acp



SB2025100963 - NULL pointer dereference in Linux kernel amd acp

Published: October 9, 2025

Security Bulletin ID SB2025100963
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 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-39959)

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

The vulnerability exists due to NULL pointer dereference within the acp_i2s_set_fmt(), acp_i2s_hwparams(), acp_i2s_trigger() and acp_i2s_startup() functions in sound/soc/amd/acp/acp-i2s.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.