CVE-2025-68194

kernel: Linux kernel: imon media driver denial of service via USB error handling

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · December 16, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel's imon media driver. This vulnerability allows a local attacker to cause a Denial of Service (DoS) by triggering specific USB transfer errors or preventing certain callback functions from being invoked. The driver's insufficient error recovery mechanism leads to hung tasks and RCU stalls, making the system unresponsive.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')