CVE-2022-31759 Null dereference in EMUI

Medium 5.5 Published 13 Jun 2022 Updated 3 Aug 2024

Attackers can cause system unavailability by exploiting uninitialized pointer access in Huawei mobile operating systems.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-31759?

CVE-2022-31759 is a medium-severity vulnerability in Huawei Emui, published on 13 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

AppLink has a vulnerability of accessing uninitialized pointers. Successful exploitation of this vulnerability may affect system availability.

Weakness: CWE-824

Which versions are affected by CVE-2022-31759?

It affects 3 products.

Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.

How do I fix CVE-2022-31759?

No fix has been published for CVE-2022-31759 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-31759 being exploited?

There is no known exploitation of CVE-2022-31759 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-64v8-fww3-5mm3.