SB20251216118 - Improper locking in Linux kernel can usb driver
Published: December 16, 2025
Security Bulletin ID
SB20251216118
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) Improper locking (CVE-ID: CVE-2025-68307)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the gs_usb_xmit_callback() function in drivers/net/can/usb/gs_usb.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/1a588c40a422a3663a52f1c5535e8fb6b044167d
- https://git.kernel.org/stable/c/4a82072e451eacf24fc66a445e906f5095d215db
- https://git.kernel.org/stable/c/516a0cd1c03fa266bb67dd87940a209fd4e53ce7
- https://git.kernel.org/stable/c/9c8eb33b7008178b6ce88aa7593d12063ce60ca3
- https://git.kernel.org/stable/c/f7a5560675bd85efaf16ab01a43053670ff2b000