SB20250916164 - NULL pointer dereference in Linux kernel pci tw68 driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916164
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-2023-53244)
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 website.
References
- 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