CVE-2025-40234

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.

Package Linux Kernel
Published 2025-12-04
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 6.16 and later are affected. Fixed in 6.17.6, 6.18 and their respective stable series.

Affected from
≥ 6.16
Fixed in
✓ 6.17.6 6.17.x ✓ 6.18

Frequently asked questions

  • What is CVE-2025-40234?

    CVE-2025-40234 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.16 onward and has been patched in 6.17.6 and 6.18. CVE-2025-40234 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2025-40234?

    Yes. CVE-2025-40234 has been patched. Fixed versions include 6.17.6 and 6.18. If you are running Linux kernel 6.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2025-40234 actively exploited?

    No. CVE-2025-40234 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.