SB20250529149 - NULL pointer dereference in Linux kernel typec ucsi driver



SB20250529149 - NULL pointer dereference in Linux kernel typec ucsi driver

Published: May 29, 2025

Security Bulletin ID SB20250529149
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-2025-37994)

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

The vulnerability exists due to NULL pointer dereference within the ucsi_displayport_remove_partner() function in drivers/usb/typec/ucsi/displayport.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.