SB20241022337 - Input validation error in Linux kernel dml dcn20 driver
Published: October 22, 2024 Updated: May 12, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2024-49899)
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
- https://git.kernel.org/stable/c/7f8e93b862aba08d540f1e9e03e0ceb4d0cfd5fb
- https://git.kernel.org/stable/c/b995c0a6de6c74656a0c39cd57a0626351b13e3c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120
- 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-6.6.64