CVE-2021-22348 Use after free in EMUI;Magic UI

What is CVE-2021-22348?

CVE-2021-22348 is a critical use after free vulnerability in Huawei Emui, published on 30 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause code to execute.

Weakness: CWE-416

Which versions are affected by CVE-2021-22348?

It affects 2 products.

Products include Huawei Emui, Huawei Magic Ui.

How do I fix CVE-2021-22348?

No fix has been published for CVE-2021-22348 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-2021-22348 being exploited?

There is no known exploitation of CVE-2021-22348 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-c3hc-hr74-pcm7.