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CVE-2025-37900

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix two issues in iommu_copy_struct_from_user() In the review for iommu_copy_struct_to_user() helper, Matt pointed out t…

Published May 20, 2025CWE-476EPSS 0.20%

Overview

CVE-2025-37900 is a medium-severity vulnerability. It was published on May 20, 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:

iommu: Fix two issues in iommu_copy_struct_from_user()

In the review for iommu_copy_struct_to_user() helper, Matt pointed out that

a NULL pointer should be rejected prior to dereferencing it:

https://lore.kernel.org/all/[email protected]

And Alok pointed out a typo at the same time:

https://lore.kernel.org/all/[email protected]

Since both issues were copied from iommu_copy_struct_from_user(), fix them

first in the current header.

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/2e303d010722787dc84d94f68d70fe10dfc1b9eaRefgit.kernel.org/stable/c/30a3f2f3e4bd6335b727c83c08a982d969752bc1Refgit.kernel.org/stable/c/967d6f0d9a20a1bf15ee7ed881e2d4e532e22709

How CyberStrike helps

Frequently asked questions

What is CVE-2025-37900?

CVE-2025-37900 is a medium-severity vulnerability. It was published on May 20, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37900?

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-2025-37900?

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-2025-37900?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-37900 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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