CVE-2025-40234
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BaseFortify

Publication date: 2025-12-04

Last updated on: 2025-12-04

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers Devices without the AWCC interface don't initialize `awcc`. Add a check before dereferencing it in sleep handlers.
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Meta Information
Published
2025-12-04
Last Modified
2025-12-04
Generated
2026-06-16
AI Q&A
2025-12-04
EPSS Evaluated
2026-06-15
NVD
CVE-2025-40234
EUVD
EUVD-2025-201225
Affected Vendors & Products
Currently, no data is known.
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a NULL pointer dereference in the Linux kernel's alienware-wmi-wmax sleep handlers. It occurs because devices without the AWCC interface do not initialize the 'awcc' pointer, and the code attempts to dereference it without checking if it is NULL, which can cause a system crash or instability.

Impact Analysis

This vulnerability can cause system crashes or instability on affected Alienware devices running the Linux kernel, potentially leading to denial of service during sleep or resume operations.

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