SB20250422106 - NULL pointer dereference in Linux kernel devlink



SB20250422106 - NULL pointer dereference in Linux kernel devlink

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

Security Bulletin ID SB20250422106
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-2025-22017)

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

The vulnerability exists due to NULL pointer dereference within the devlink_rel_alloc() function in net/devlink/core.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.