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CVE-2025-38151

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix hang when cma_netevent_callback fails to queue_work The cited commit fixed a crash when cma_netevent_callback was…

Published Jul 3, 2025EPSS 0.18%

Overview

CVE-2025-38151 is a medium-severity vulnerability. It was published on July 3, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/cma: Fix hang when cma_netevent_callback fails to queue_work

The cited commit fixed a crash when cma_netevent_callback was called for

a cma_id while work on that id from a previous call had not yet started.

The work item was re-initialized in the second call, which corrupted the

work item currently in the work queue.

However, it left a problem when queue_work fails (because the item is

still pending in the work queue from a previous call). In this case,

cma_id_put (which is called in the work handler) is therefore not

called. This results in a userspace process hang (zombie process).

Fix this by calling cma_id_put() if queue_work fails.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/02e45168e0fd6fdc6f8f7c42c4b500857aa5efb0Refgit.kernel.org/stable/c/1ac40736c8c4255d8417b937c9715b193f4a87b3Refgit.kernel.org/stable/c/8b05aa3692e45b8249379dc52b14acc6a104d2e5Refgit.kernel.org/stable/c/92a251c3df8ea1991cd9fe00f1ab0cfce18d7711Refgit.kernel.org/stable/c/ac7897c0124066b9705ffca252a3662d54fc0c9bReflists.debian.org/debian-lts-announce/2025/10/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2025-38151?

CVE-2025-38151 is a medium-severity vulnerability. It was published on July 3, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-38151?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-38151?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-38151?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-38151 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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