SB2025042285 - NULL pointer dereference in Linux kernel dc dce driver
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042285
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) NULL pointer dereference (CVE-ID: CVE-2025-22093)
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.
References
- 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