CVE-2026-23334

Updated on 25 Mar 2026

Severity

5.5 Medium severity

Details

CVSS score
5.5

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don’t attempt to treat the data as valid. A flaw was found in the Linux kernel’s can: usb: f81604 module. This vulnerability arises when the system processes Universal Serial Bus (USB) interrupt request blocks (URBs) that are shorter than their expected length. Improper handling of these malformed messages could lead to unexpected system behavior or resource issues, potentially resulting in a Denial of Service (DoS).

Details

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 13 Planned
Ubuntu 24.04 Planned