SB20251230281 - Integer underflow in Linux kernel soundwire driver



SB20251230281 - Integer underflow in Linux kernel soundwire driver

Published: December 30, 2025 Updated: December 30, 2025

Security Bulletin ID SB20251230281
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Integer underflow (CVE-ID: CVE-2023-54259)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the sdw_nread(), sdw_nwrite() and sdw_handle_slave_alerts() functions in drivers/soundwire/bus.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.