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CVE-2026-43104

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: Fix a memory leak in hang state error path When vc4_save_hang_state() encounters an early return condition, it returns…

Published May 6, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-43104 is a medium-severity vulnerability. It was published on May 6, 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:

drm/vc4: Fix a memory leak in hang state error path

When vc4_save_hang_state() encounters an early return condition, it

returns without freeing the previously allocated `kernel_state`,

leaking memory.

Add the missing kfree() calls by consolidating the early return paths

into a single place.

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/259e2bba3fd7005c62cbd42365a48b3221b244e3Refgit.kernel.org/stable/c/3eb7dd55021d0f4308fbea0bea21d2118984d8e7Refgit.kernel.org/stable/c/9487daa18e627ac6b5ed5911be79f23362554b70Refgit.kernel.org/stable/c/9525d169e5fd481538cf8c663cc5839e54f2e481Refgit.kernel.org/stable/c/c197def3834cbee3fd824ce4c57d08cb24e18955Refgit.kernel.org/stable/c/d8fdd6adc07b78ad3e9ee0004876d90cb59ca941Refgit.kernel.org/stable/c/dd5c49787a32da96a2b154427eb17cbf12a83c28Refgit.kernel.org/stable/c/e352e9adc9f6df54d63150ff832f71c04e30744b

How CyberStrike helps

Frequently asked questions

What is CVE-2026-43104?

CVE-2026-43104 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-43104?

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-2026-43104?

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-2026-43104?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-43104 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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