SB2025070448 - NULL pointer dereference in Linux kernel watchdog driver



SB2025070448 - NULL pointer dereference in Linux kernel watchdog driver

Published: July 4, 2025

Security Bulletin ID SB2025070448
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-2025-38144)

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

The vulnerability exists due to NULL pointer dereference within the lenovo_se30_wdt_probe() function in drivers/watchdog/lenovo_se30_wdt.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.