CVE-2022-47975 Use after free in EMUI

What is CVE-2022-47975?

CVE-2022-47975 is a high-severity use after free vulnerability in Huawei Emui, published on 6 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The DUBAI module has a double free vulnerability. Successful exploitation of this vulnerability may affect system availability.

Weakness: CWE-415

Which versions are affected by CVE-2022-47975?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-47975?

No fix has been published for CVE-2022-47975 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-2022-47975 being exploited?

There is no known exploitation of CVE-2022-47975 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-3x9f-9pxv-q52x.