CVE-2022-41686: Openatom Openharmony

Medium severity, CVSS 4.4. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Openatom Openharmony: from 3.1, up to and including 3.1.2
• Openharmony Openharmony: from 3.0, up to and including 3.0.6

Published 2022-10-14. Last modified 2026-06-17.