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CVE-2026-31524

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: HID: asus: avoid memory leak in asus_report_fixup() The asus_report_fixup() function was returning a newly allocated kmemdup()-…

Published Apr 22, 2026CWE-401EPSS 0.16%

Overview

CVE-2026-31524 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:

HID: asus: avoid memory leak in asus_report_fixup()

The asus_report_fixup() function was returning a newly allocated

kmemdup()-allocated buffer, but never freeing it. Switch to

devm_kzalloc() to ensure the memory is managed and freed automatically

when the device is removed.

The caller of report_fixup() does not take ownership of the returned

pointer, but it is permitted to return a pointer whose lifetime is at

least that of the input buffer.

Also fix a harmless out-of-bounds read by copying only the original

descriptor size.

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/2bad24c17742fc88973d6aea526ce1353f5334a3Refgit.kernel.org/stable/c/2e4fe6b15c2f390c023b20d728b1a3fe7ea4f973Refgit.kernel.org/stable/c/726765b43deb2b4723869d673cc5fc6f7a3b2059Refgit.kernel.org/stable/c/7a6d6e4d8af044f94fa97e97af5ff2771e1fbebdRefgit.kernel.org/stable/c/84724ac4821a160d47b84289adf139023027bdbbRefgit.kernel.org/stable/c/a41cc7c1668e44ff2c2d36f9a6353253ffc43e3cRefgit.kernel.org/stable/c/ede95cfcab8064d9a08813fbd7ed42cea8843dcfRefgit.kernel.org/stable/c/f20f17cffbe34fb330267e0f8084f5565f807444

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31524?

CVE-2026-31524 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-2026-31524?

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-2026-31524?

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-2026-31524?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31524 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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