CVE-2025-38281 wifi: mt76: mt7996: Add NULL check in mt7996_thermal_init

Medium 5.5 Published Updated

A missing NULL check in the mt7996 thermal initialization can cause a kernel crash, leading to denial of service.

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-2025-38281?

CVE-2025-38281 is a medium-severity vulnerability in Linux kernel, published on 10 Jul 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:

wifi: mt76: mt7996: Add NULL check in mt7996_thermal_init

devm_kasprintf() can return a NULL pointer on failure,but this returned value in mt7996_thermal_init() is not checked. Add NULL check in mt7996_thermal_init(), to handle kernel NULL pointer dereference error.

Weakness: CWE-476

Which versions are affected by CVE-2025-38281?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-38281?

Apply the vendor's patch.

Is CVE-2025-38281 being exploited?

There is no known exploitation of CVE-2025-38281 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2025-38281, GHSA-8xm2-h3q7-588p, UBUNTU-CVE-2025-38281.

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