SB20251210167 - Input validation error in Linux kernel display dc driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB20251210167
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-2023-53806)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the dc_dmub_setup_subvp_dmub_command() function 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.
References
- https://git.kernel.org/stable/c/375d192eb1f1d9229a6d994da7ba31f3582b106b
- https://git.kernel.org/stable/c/92e6c79acad4b96efeff261d27bdbd8089a7dd24
- https://git.kernel.org/stable/c/9bb10b7aaec3b6278f9cc410c17dcaa129bbbbf0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.30
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4