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Vulnerability DatabaseCVE-2025-39837
CVE-2025-39837:
Linux Debian vulnerability analysis and mitigation
Overview
CVE-2025-39837 is a vulnerability discovered in the Linux kernel affecting the ASUS WMI (Windows Management Interface) driver. The vulnerability was disclosed on September 19, 2025, and involves a race condition in the asus_wmi_register_driver() function (NVD).
Technical details
The vulnerability stems from concurrent calls to asus_wmi_register_driver() from multiple drivers, which can lead to race conditions in list operations. This can potentially corrupt memory and cause system crashes (Oops) on certain ASUS machines. Additionally, the implementation was found to have missing error handling and failed to unregister ACPI lps0 dev ops in error cases (NVD).
Impact
When exploited, this vulnerability can result in memory corruption and system crashes (Oops) specifically on ASUS machines running the affected Linux kernel versions (NVD).
Mitigation and workarounds
A patch has been implemented that introduces a simple mutex at acpi_wmi_register_driver() and *_unregister_driver functions. The fix also includes proper implementation of asus_s2idle_check_unregister() in the error path (NVD).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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