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CVE-2025-68218
nvme-multipath: fix lockdep WARN due to partition scan work
Description

In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: fix lockdep WARN due to partition scan work Blktests test cases nvme/014, 057 and 058 fail occasionally due to a lockdep WARN. As reported in the Closes tag URL, the WARN indicates that a deadlock can happen due to the dependency among disk->open_mutex, kblockd workqueue completion and partition_scan_work completion. To avoid the lockdep WARN and the potential deadlock, cut the dependency by running the partition_scan_work not by kblockd workqueue but by nvme_wq.

INFO

Published Date :

Dec. 16, 2025, 2:15 p.m.

Last Modified :

Dec. 16, 2025, 2:15 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-68218 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Resolve a deadlock by rerouting partition scan work to nvme_wq.
  • Apply the nvme-multipath patch.
  • Ensure partition scan work runs on nvme_wq.
  • Test for lockdep warnings and deadlocks.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-68218.

URL Resource
https://git.kernel.org/stable/c/6d87cd5335784351280f82c47cc8a657271929c3
https://git.kernel.org/stable/c/89456dab7ba5ab63d60945440926673a3205e829
https://git.kernel.org/stable/c/b03eb63288a8ffe3adfb34e68309c8e2edb06d0b
https://git.kernel.org/stable/c/e2a897ad5f538d314955c747a0a2edb184fcdecd
https://git.kernel.org/stable/c/ef4ab2a8abe554379e10303ae86f7c501336ba0d
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-68218 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-68218 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-68218 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-68218 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Dec. 16, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: fix lockdep WARN due to partition scan work Blktests test cases nvme/014, 057 and 058 fail occasionally due to a lockdep WARN. As reported in the Closes tag URL, the WARN indicates that a deadlock can happen due to the dependency among disk->open_mutex, kblockd workqueue completion and partition_scan_work completion. To avoid the lockdep WARN and the potential deadlock, cut the dependency by running the partition_scan_work not by kblockd workqueue but by nvme_wq.
    Added Reference https://git.kernel.org/stable/c/6d87cd5335784351280f82c47cc8a657271929c3
    Added Reference https://git.kernel.org/stable/c/89456dab7ba5ab63d60945440926673a3205e829
    Added Reference https://git.kernel.org/stable/c/b03eb63288a8ffe3adfb34e68309c8e2edb06d0b
    Added Reference https://git.kernel.org/stable/c/e2a897ad5f538d314955c747a0a2edb184fcdecd
    Added Reference https://git.kernel.org/stable/c/ef4ab2a8abe554379e10303ae86f7c501336ba0d
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.