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
- 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.
References
- https://git.kernel.org/stable/c/f921335123f6620c3dce5c96fbb95f18524a021c
- https://git.kernel.org/stable/c/1f9f8186e239222f1c8d3dd73bf3bc6ae86c5e76
- https://git.kernel.org/stable/c/a23d6029e730f8a151b1a34afb169baac1274583
- https://git.kernel.org/stable/c/c7630935d9a4986e8c0ed91658a781b7a77d73f7
- https://git.kernel.org/stable/c/bc00d211da4ffad5314a2043b50bdc8ff8a33724
- https://git.kernel.org/stable/c/3334ab72cbba55a632f24579cd47c4a4e5e69cda
- https://git.kernel.org/stable/c/4067f4fa0423a89fb19a30b57231b384d77d2610
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.168
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.113
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.55