NULL pointer dereference in Linux kernel - CVE-2022-48718
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92921
CSH Severity: 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-2022-48718
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 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.
External links
- 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