#VU97568 Input validation error in Linux kernel - CVE-2024-46775
Published: September 18, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU97568
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2024-46775
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the perform_link_training_with_retries() function in drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c, within the hubbub2_program_watermarks() function in drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.c, within the dc_dmub_srv_cmd_run_list() and dc_dmub_srv_get_visual_confirm_color_cmd() functions in drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.