SB20250509149 - Input validation error in Linux kernel hwss dcn20 driver
Published: May 9, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250509149
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-2025-37870)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the dcn401_enable_stream() function in drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c, within the dcn20_enable_stream() function in drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.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/0363c03672cd3191f037905bf981eb523a3b71b1
- https://git.kernel.org/stable/c/04bf4f2a497e9877c425c5124652e61fb8a1a0aa
- https://git.kernel.org/stable/c/8058061ed9d6bc259d1e678607b07d259342c08f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.4