SB2025121004 - NULL pointer dereference in Linux kernel drm mxsfb driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121004
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-2023-53864)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mxsfb_plane_overlay_atomic_update() function in drivers/gpu/drm/mxsfb/mxsfb_kms.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/0f98de0a11d29821d9448114178ddc1b1fe32a18
- https://git.kernel.org/stable/c/8bf2d4ca521d3acb57fc1607386e749b3cc92aaf
- https://git.kernel.org/stable/c/aa656d48e871a1b062e1bbf9474d8b831c35074c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6