SB20251028106 - NULL pointer dereference in Linux kernel bus fsl-mc driver



SB20251028106 - NULL pointer dereference in Linux kernel bus fsl-mc driver

Published: October 28, 2025

Security Bulletin ID SB20251028106
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-2025-40029)

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

The vulnerability exists due to NULL pointer dereference within the fsl_mc_bus_probe() function in drivers/bus/fsl-mc/fsl-mc-bus.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.