CVE-2022-44550 Use after free in EMUI

What is CVE-2022-44550?

CVE-2022-44550 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 graphics display module has a UAF vulnerability when traversing graphic layers. Successful exploitation of this vulnerability may affect system availability.

Weakness: CWE-416

Which versions are affected by CVE-2022-44550?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-44550?

No fix has been published for CVE-2022-44550 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-2022-44550 being exploited?

There is no known exploitation of CVE-2022-44550 in the wild and no public exploit code.

Other vulnerabilities in Huawei Emui

• CVE-2023-52370 Memory corruption in EMUI Critical 9.8
• CVE-2023-52378 Business logic in EMUI Critical 9.8
• CVE-2023-52381 Code injection in EMUI Critical 9.8
• CVE-2023-52103 Memory corruption in EMUI Critical 9.8
• CVE-2023-46773 Privilege escalation in EMUI Critical 9.8

All Huawei Emui vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jmr9-5qpr-rmhc.