CVE-2025-39837
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Modified
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-09-19 16:15:42.343000
Last modified
2026-10-19 21:10:00.160000
View original CVE JSON
{
"id": "CVE-2025-39837",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-09-19T16:15:42.343",
"lastModified": "2026-10-19T21:10:00.160",
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: asus-wmi: Fix racy registrations\n\nasus_wmi_register_driver() may be called from multiple drivers\nconcurrently, which can lead to the racy list operations, eventually\ncorrupting the memory and hitting Oops on some ASUS machines.\nAlso, the error handling is missing, and it forgot to unregister ACPI\nlps0 dev ops in the error case.\n\nThis patch covers those issues by introducing a simple mutex at\nacpi_wmi_register_driver() & *_unregister_driver, and adding the\nproper call of asus_s2idle_check_unregister() in the error path."
},
{
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"value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nplatform/x86: asus-wmi: Corrección de registros con condiciones de carrera\n\nasus_wmi_register_driver() puede ser llamada desde múltiples controladores concurrentemente, lo que puede llevar a operaciones de lista con condiciones de carrera, eventualmente corrompiendo la memoria y provocando un Oops en algunas máquinas ASUS.\nAdemás, falta el manejo de errores y olvidó anular el registro de las operaciones de dispositivo ACPI lps0 en el caso de error.\n\nEste parche cubre esos problemas mediante la introducción de un mutex simple en acpi_wmi_register_driver() y *_unregister_driver, y añadiendo la llamada adecuada de asus_s2idle_check_unregister() en la ruta de error."
}
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