#VU115425 NULL pointer dereference in Linux kernel - CVE-2023-53244
Published: September 16, 2025 / Updated: September 22, 2025
Vulnerability identifier: #VU115425
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-2023-53244
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 tw68_buf_queue(), tw68_buf_prepare() and tw68_buf_finish() functions in drivers/media/pci/tw68/tw68-video.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/1634b7adcc5bef645b3666fdd564e5952a9e24e0
- https://git.kernel.org/stable/c/3715c5e9a8f96b6ed0dcbea06da443efccac1ecc
- https://git.kernel.org/stable/c/3c67f49a6643d973e83968ea35806c7b5ae68b56
- https://git.kernel.org/stable/c/dcf632bca424e6ff8c8eb89c96694e7f05cd29b6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.113