CVE-2025-38661 platform/x86: alienware-wmi-wmax: Fix `dmi_system_id` array
A missing null terminator in a DMI table causes a null pointer dereference, leading to a system crash in the Alienware WMI driver.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38661?
CVE-2025-38661 is a high-severity vulnerability in Linux kernel, published on 22 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
platform/x86: alienware-wmi-wmax: Fix `dmi_system_id` array
Add missing empty member to `awcc_dmi_table`.
Which versions are affected by CVE-2025-38661?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38661?
Apply the vendor's patch.
Is CVE-2025-38661 being exploited?
There is no known exploitation of CVE-2025-38661 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38661, GHSA-f2f7-c736-w7rf, UBUNTU-CVE-2025-38661.