SB2024093093 - Input validation error in Linux kernel dc gpio driver



SB2024093093 - Input validation error in Linux kernel dc gpio driver

Published: September 30, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024093093
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) Input validation error (CVE-ID: CVE-2024-46818)

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

The vulnerability exists due to improper input validation within the is_pin_busy(), set_pin_busy(), set_pin_free(), dal_gpio_service_lock() and dal_gpio_service_unlock() functions in drivers/gpu/drm/amd/display/dc/gpio/gpio_service.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.