Vulnerability · Published Oct 14, 2022 · Assigned by OpenHarmony
CVE-2022-41686Out-of-bound memory read and write 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 proc ...
Medium 5.1
In plain English
A medium-severity out-of-bounds write in OpenHarmony from OpenHarmony. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenHarmony | OpenHarmony | OpenHarmony-v3.1.x-Release – through 3.1.2OpenHarmony-v3.0.x-LTS – through 3.0.6 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N