SB20251216148 - Input validation error in Linux kernel net usb driver
Published: December 16, 2025
Security Bulletin ID
SB20251216148
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-2025-68192)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the qmimux_rx_fixup() function in drivers/net/usb/qmi_wwan.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/0aabccdcec1f4a36f95829ea2263f845bbc77223
- https://git.kernel.org/stable/c/4e6b9004f01d0fef5b19778399bc5bf55f8c2d71
- https://git.kernel.org/stable/c/8ab3b8f958d861a7f725a5be60769106509fbd69
- https://git.kernel.org/stable/c/ae811175cea35b03ac6d7c910f43a82a43b9c3b3
- https://git.kernel.org/stable/c/bf527b80b80a282ab5bf1540546211fc35e5cd42
- https://git.kernel.org/stable/c/d693c47fb902b988f5752182e4f7fbde5e6dcaf9
- https://git.kernel.org/stable/c/dd03780c29f87c26c0e0bb7e0db528c8109461fb
- https://git.kernel.org/stable/c/e120f46768d98151ece8756ebd688b0e43dc8b29