CVE-2022-38999 Use after free in EMUI

Critical 9.8 Published 16 Sep 2022 Updated 3 Aug 2024

An improper reference count update in the AOD module allows attackers to compromise data integrity, confidentiality, and availability 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-2022-38999?

CVE-2022-38999 is a critical use after free vulnerability in Huawei Emui, published on 16 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The AOD module has the improper update of reference count vulnerability. Successful exploitation of this vulnerability may affect data integrity, confidentiality, and availability.

Which versions are affected by CVE-2022-38999?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-38999?

No fix has been published for CVE-2022-38999 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-2022-38999 being exploited?

There is no known exploitation of CVE-2022-38999 in the wild and no public exploit code.

All Huawei Emui vulnerabilities

Sources

Also known as GHSA-x4hg-pfrq-5xvq.