CVE-2022-44547 Use after free in EMUI

High 7.5 Published 9 Nov 2022 Updated 1 May 2025

Attackers can exploit a use-after-free flaw in the Display Service to cause denial of service on Huawei devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-44547?

CVE-2022-44547 is a high-severity use after free vulnerability in Huawei Emui, published on 9 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Display Service module has a UAF vulnerability. Successful exploitation of this vulnerability may affect the display service availability.

Weakness: CWE-416

Which versions are affected by CVE-2022-44547?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-44547?

No fix has been published for CVE-2022-44547 yet. Limit exposure of the affected software until one is available.

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-2022-44547 being exploited?

There is no known exploitation of CVE-2022-44547 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-xj28-8c9f-6cgg.