SB20250422118 - Improper locking in Linux kernel md driver



SB20250422118 - Improper locking in Linux kernel md driver

Published: April 22, 2025 Updated: May 10, 2025

Security Bulletin ID SB20250422118
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) Improper locking (CVE-ID: CVE-2025-22125)

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

The vulnerability exists due to improper locking within the raid10_read_request() and raid10_write_one_disk() functions in drivers/md/raid10.c, within the raid1_read_request() and raid1_write_request() functions in drivers/md/raid1.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.