SB20240620196 - NULL pointer dereference in Linux kernel drm mxsfb driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620196
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-2022-48718)
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_crtc_atomic_enable() 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/86a337bb803040e4401b87c974a7fb92efe3d0e1
- https://git.kernel.org/stable/c/6f9267e01cca749137349d8ffb0d0ebbadf567f4
- https://git.kernel.org/stable/c/622c9a3a7868e1eeca39c55305ca3ebec4742b64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17