CVE-2022-41686

Out-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 ...

Published Oct 14, 2022 CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-44871 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Openatom
Openatom openharmony
CPEs cpe:2.3:a:openharmony:openharmony:*:*:*:*:-:*:*:* cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:*
Vendors & Products Openatom
Openatom openharmony
Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenHarmony
Published
Updated
May 14, 2025, 3:16 PM
Reserved
Oct 8, 2022, 12:00 AM
Status
Modified
Published
Oct 14, 2022, 3:16 PM
Modified
Jun 17, 2026, 5:03 AM