CVE-2021-46867 Memory corruption in EMUI
Out-of-bounds memory access in HW_KEYMASTER allows attackers to potentially execute code or escalate privileges on Huawei devices.
- 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-2021-46867?
CVE-2021-46867 is a high-severity memory corruption 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 HW_KEYMASTER module has a problem in releasing memory.Successful exploitation of this vulnerability may result in out-of-bounds memory access.
Weakness: CWE-125
Which versions are affected by CVE-2021-46867?
It affects 2 products.
Products include Huawei Emui, Huawei Harmonyos.
How do I fix CVE-2021-46867?
No fix has been published for CVE-2021-46867 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-2021-46867 being exploited?
There is no known exploitation of CVE-2021-46867 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-x63v-xw79-mw5j.