SB20250226196 - Memory leak in Linux kernel display amdgpu_dm driver



SB20250226196 - Memory leak in Linux kernel display amdgpu_dm driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226196
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) Memory leak (CVE-ID: CVE-2022-49135)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

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 memory leak within the dp_link_settings_read(), dp_phy_settings_read(), dp_dsc_clock_en_read(), dp_dsc_slice_width_read(), dp_dsc_slice_height_read(), dp_dsc_bits_per_pixel_read(), dp_dsc_pic_width_read(), dp_dsc_pic_height_read(), dp_dsc_chunk_size_read(), dp_dsc_slice_bpg_offset_read() and dcc_en_bits_read() functions in drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.