CVE-2021-22394 Memory corruption in EMUI
A buffer overflow in Huawei smartphones can cause application denial of service during Multi-Screen Collaboration.
- 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-2021-22394?
CVE-2021-22394 is a critical memory corruption vulnerability in Huawei Emui, published on 25 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.
Weakness: CWE-120
Which versions are affected by CVE-2021-22394?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-22394?
No fix has been published for CVE-2021-22394 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-22394 being exploited?
There is no known exploitation of CVE-2021-22394 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-m4wf-442m-8c67.