SB20241022336 - Input validation error in Linux kernel dml dcn20 driver 



SB20241022336 - Input validation error in Linux kernel dml dcn20 driver

Published: October 22, 2024 Updated: May 12, 2025

Security Bulletin ID SB20241022336
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-2024-49892)

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

The vulnerability exists due to improper input validation within the calculate_ttu_cursor() function in drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c, within the calculate_ttu_cursor() function in drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.