SB20241022337 - Input validation error in Linux kernel dml dcn20 driver

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Main Vulnerability Database SB20241022337

SB20241022337 - Input validation error in Linux kernel dml dcn20 driver

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

Security Bulletin ID SB20241022337
CSH 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 vulnerability.


1) Input validation error (CVE-ID: CVE-2024-49899)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the CalculateVMGroupAndRequestTimes() function in drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_core/dml2_core_shared.c, within the get_bytes_per_element() function in drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c, within the calculate_ttu_cursor() function in drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References