SB20251216164 - Buffer overflow in Linux kernel usb kvaser_usb driver
Published: December 16, 2025
Security Bulletin ID
SB20251216164
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2025-68308)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the kvaser_usb_leaf_wait_cmd() and kvaser_usb_leaf_read_bulk_callback() functions in drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/028e89c7e8b4346302e88df01cc50e0a1f05791a
- https://git.kernel.org/stable/c/0897cea266e39166a36111059ba147192b36592f
- https://git.kernel.org/stable/c/0c73772cd2b8cc108d5f5334de89ad648d89b9ec
- https://git.kernel.org/stable/c/58343e0a4d43699f0e2f5b169384bbe4c0217add
- https://git.kernel.org/stable/c/69c7825df64e24dc15d31631a1fc9145324b1345
- https://git.kernel.org/stable/c/bd8135a560cf6e64f0b98ed4daadf126a38f7f48
- https://git.kernel.org/stable/c/e9dd83a75a7274edef21682c823bf0b66d7b6b7f