#VU107708 NULL pointer dereference in Linux kernel - CVE-2025-22093
Published: April 22, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU107708
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-2025-22093
CWE-ID: CWE-476
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 NULL pointer dereference within the dmub_hw_lock_mgr_inbox0_cmd() function in drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/3453bcaf2ca92659346bf8504c2b52b3993fbd79
- https://git.kernel.org/stable/c/35ad39afd007eddf34b3307bebb715c26891cc96
- https://git.kernel.org/stable/c/42d9d7bed270247f134190ba0cb05bbd072f58c2
- https://git.kernel.org/stable/c/5e4b1e04740cdb28de189285007366d99a92f1ce
- https://git.kernel.org/stable/c/b3a93a2407ad23c8d5bacabaf7cecbb4c6cdd461
- https://git.kernel.org/stable/c/d953e2cd59ab466569c6f9da460e01caf1c83559
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.134