SB20251208126 - Buffer overflow in Linux kernel common videobuf2 driver
Published: December 8, 2025
Security Bulletin ID
SB20251208126
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) Buffer overflow (CVE-ID: CVE-2025-40302)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the vb2_ioctl_remove_bufs() function in drivers/media/common/videobuf2/videobuf2-v4l2.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.