SB2025031030 - Incorrect calculation in Linux kernel cpufreq driver



SB2025031030 - Incorrect calculation in Linux kernel cpufreq driver

Published: March 10, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025031030
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) Incorrect calculation (CVE-ID: CVE-2025-21841)

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

The vulnerability exists due to incorrect calculation within the amd_pstate_init_prefcore() function in drivers/cpufreq/amd-pstate.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.