SB2025122337 - Input validation error in Linux kernel can usb driver
Published: December 23, 2025
Security Bulletin ID
SB2025122337
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) Input validation error (CVE-ID: CVE-2025-68342)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the gs_usb_get_echo_skb() and gs_usb_receive_bulk_callback() functions 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.