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CVE-2025-37837

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: iommu/tegra241-cmdqv: Fix warnings due to dmam_free_coherent() Two WARNINGs are observed when SMMU driver rolls back upon failu…

Published May 9, 2025EPSS 0.28%

Overview

CVE-2025-37837 is a medium-severity vulnerability. It was published on May 9, 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/tegra241-cmdqv: Fix warnings due to dmam_free_coherent()

Two WARNINGs are observed when SMMU driver rolls back upon failure:

arm-smmu-v3.9.auto: Failed to register iommu

arm-smmu-v3.9.auto: probe with driver arm-smmu-v3 failed with error -22

------------[ cut here ]------------

WARNING: CPU: 5 PID: 1 at kernel/dma/mapping.c:74 dmam_free_coherent+0xc0/0xd8

Call trace:

dmam_free_coherent+0xc0/0xd8 (P)

tegra241_vintf_free_lvcmdq+0x74/0x188

tegra241_cmdqv_remove_vintf+0x60/0x148

tegra241_cmdqv_remove+0x48/0xc8

arm_smmu_impl_remove+0x28/0x60

devm_action_release+0x1c/0x40

------------[ cut here ]------------

128 pages are still in use!

WARNING: CPU: 16 PID: 1 at mm/page_alloc.c:6902 free_contig_range+0x18c/0x1c8

Call trace:

free_contig_range+0x18c/0x1c8 (P)

cma_release+0x154/0x2f0

dma_free_contiguous+0x38/0xa0

dma_direct_free+0x10c/0x248

dma_free_attrs+0x100/0x290

dmam_free_coherent+0

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.

Frequently asked questions

What is CVE-2025-37837?

CVE-2025-37837 is a medium-severity vulnerability. It was published on May 9, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-37837?

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-2025-37837?

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-2025-37837?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-37837 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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