CVE-2022-42754 Use after free in SC9863A/SC9832E/SC7731E/T610/T310/T606/T760/T610/T618/T606/T612/T616/T760/T770/T820/S8000

Medium 5.5 Published 6 Dec 2022 Updated 23 Apr 2025

A use-after-free in the Unisoc NPU driver allows local attackers to cause a kernel denial of service on Android devices.

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-2022-42754?

CVE-2022-42754 is a medium-severity use after free vulnerability in Google Android, published on 6 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In npu driver, there is a memory corruption due to a use after free. This could lead to local denial of service in kernel.

Weakness: CWE-416

Which versions are affected by CVE-2022-42754?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-42754?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-42754 being exploited?

There is no known exploitation of CVE-2022-42754 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-253344080, ASB-A-253344080, GHSA-qm89-xw2v-c7wp, U-1967614.