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CVE-2026-31492

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Initialize free_qp completion before using it In irdma_create_qp, if ib_copy_to_udata fails, it will call irdma_des…

Published Apr 22, 2026CWE-908EPSS 0.16%

Overview

CVE-2026-31492 is a medium-severity vulnerability. It was published on April 22, 2026 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/irdma: Initialize free_qp completion before using it

In irdma_create_qp, if ib_copy_to_udata fails, it will call

irdma_destroy_qp to clean up which will attempt to wait on

the free_qp completion, which is not initialized yet. Fix this

by initializing the completion before the ib_copy_to_udata call.

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/11a95521fb93c91e2d4ef9d53dc80ef0a755549bRefgit.kernel.org/stable/c/3cb88c12461b71c7d9c604aa2e6a9a477ecfa147Refgit.kernel.org/stable/c/ac1da7bd224d406b6f1b84414f0f652ab43b6bd8Refgit.kernel.org/stable/c/af310407f79d5816fc0ab3638e1588b6193316ddRefgit.kernel.org/stable/c/cd1534c8f4984432382c240f6784408497f5bb0aRefgit.kernel.org/stable/c/f72996834f7bdefc2b95e3eec30447ee195df44e

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31492?

CVE-2026-31492 is a medium-severity vulnerability. It was published on April 22, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-31492?

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-2026-31492?

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-2026-31492?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31492 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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