CVE-2022-44546 Use after free in EMUI

What is CVE-2022-44546?

CVE-2022-44546 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 kernel module has the vulnerability that the mapping is not cleared after the memory is automatically released. Successful exploitation of this vulnerability may cause a system restart.

Weakness: CWE-459

Which versions are affected by CVE-2022-44546?

It affects 2 products.

Products include Huawei Emui, Huawei Harmonyos.

How do I fix CVE-2022-44546?

No fix has been published for CVE-2022-44546 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-2022-44546 being exploited?

There is no known exploitation of CVE-2022-44546 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-p7cx-5gmv-rhp8.