SB20260105107 - NULL pointer dereference in Linux kernel video backlight driver



SB20260105107 - NULL pointer dereference in Linux kernel video backlight driver

Published: January 5, 2026

Security Bulletin ID SB20260105107
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-2025-68758)

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

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


Remediation

Install update from vendor's website.