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CVE-2025-39837

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: platform/x86: asus-wmi: Fix racy registrations asus_wmi_register_driver() may be called from multiple drivers concurrently, whi…

Published Sep 19, 2025CWE-787EPSS 0.16%

Overview

CVE-2025-39837 is a high-severity vulnerability. It was published on September 19, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

platform/x86: asus-wmi: Fix racy registrations

asus_wmi_register_driver() may be called from multiple drivers

concurrently, which can lead to the racy list operations, eventually

corrupting the memory and hitting Oops on some ASUS machines.

Also, the error handling is missing, and it forgot to unregister ACPI

lps0 dev ops in the error case.

This patch covers those issues by introducing a simple mutex at

acpi_wmi_register_driver() & *_unregister_driver, and adding the

proper call of asus_s2idle_check_unregister() in the error path.

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/5549202b9c02c2ecbc8634768a3da8d9e82d548dRefgit.kernel.org/stable/c/e7a70326fb26b905cfc8fe2366113aa4394733ef

How CyberStrike helps

Frequently asked questions

What is CVE-2025-39837?

CVE-2025-39837 is a high-severity vulnerability. It was published on September 19, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-39837?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-39837?

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-2025-39837?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-39837 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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