CVE-2026-23334

kernel: can: usb: f81604: handle short interrupt urb messages properly

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · March 25, 2026

Updated · June 28, 2026

Description

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).

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-131 · Incorrect Calculation of Buffer Size