CVE-2025-68218

kernel: Linux kernel: Denial of Service in nvme-multipath due to deadlock

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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 · July 30, 2026

Description

A flaw was found in the Linux kernel's nvme-multipath component. A local user could potentially trigger a deadlock due to a dependency issue between disk open mutexes, kblockd workqueue completion, and partition scan work completion. This could lead to a system hang, resulting in a Denial of Service (DoS).

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-833 · Deadlock