#VU119794 Input validation error in Linux kernel - CVE-2023-53806
Published: December 10, 2025 / Updated: December 12, 2025
Vulnerability identifier: #VU119794
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-2023-53806
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 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 repository.
External links
- 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