CVE-2022-41686 Memory corruption in OpenHarmony
An out-of-bounds memory access in the OpenHarmony device driver allows unprivileged users to read sensitive data and system users to cause memory corruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-41686?
CVE-2022-41686 is a medium-severity memory corruption vulnerability in Openatom Openharmony, published on 14 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have an Out-of-bound memory read and write vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could read out-of-bound memory leading sensitive to information disclosure. The processes with system user UID run on the device would be able to write out-of-bound memory which could lead to unspecified memory corruption.
Which versions are affected by CVE-2022-41686?
It affects 2 products.
Products include Openatom Openharmony, Openharmony Openharmony.
How do I fix CVE-2022-41686?
No fix has been published for CVE-2022-41686 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-2022-41686 being exploited?
There is no known exploitation of CVE-2022-41686 in the wild and no public exploit code.
Other vulnerabilities in Openatom Openharmony
- CVE-2025-0303 Liteos_a has a buffer overflow vulnerability
- CVE-2025-0304 Liteos_a has an use after free vulnerability
- CVE-2024-47398 Liteos_a has an out-of-bounds write vulnerability
- CVE-2024-10074 Liteos_a has an use after free vulnerability
- CVE-2024-41157 Liteos-A has an use after free vulnerability
Sources
Also known as GHSA-wwfq-hcph-q6fg.