CVE-2025-40234
Awaiting Analysis
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BaseFortify
Publication date: 2025-12-04
Last updated on: 2025-12-04
Assigner: kernel.org
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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