Bug 2418816 (CVE-2025-40234)

Summary: CVE-2025-40234 kernel: platform/x86: alienware-wmi-wmax: Fix NULL pointer dereference in sleep handlers
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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Description OSIDB Bzimport 2025-12-04 16:01:58 UTC 
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.
Comment 1 Alexander B 2025-12-05 16:46:19 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025120401-CVE-2025-40234-2dbc@gregkh/T