TI-2022-20078 Aliases CVE-2022-41686 GHSA-wwfq-hcph-q6fg

Out-of-bounds write in OpenHarmony

LOW 23CWE-787Published 2022-10-14 · Updated 2025-05-14

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0033 26th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
OpenHarmony	OpenHarmony	OpenHarmony-v3.1.x-Release – 3.1.2; OpenHarmony-v3.0.x-LTS – 3.0.6	—	No fix listed	CNA

OpenHarmony VendorOpenHarmony Affected OpenHarmony-v3.1.x-Release – 3.1.2; OpenHarmony-v3.0.x-LTS – 3.0.6 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:openharmony:openharmony:::::long_term_support:::*	3.0 – 3.0.6	Vulnerable	OpenHarmony
cpe:2.3:o:openatom:openharmony:::::-:::*	3.1 – 3.1.2	Vulnerable	Openatom

cpe:2.3:a:openharmony:openharmony:*:*:*:*:long_term_support:*:*:* Versions 3.0 – 3.0.6 Vulnerable ·OpenHarmony
cpe:2.3:o:openatom:openharmony:*:*:*:*:-:*:*:* Versions 3.1 – 3.1.2 Vulnerable ·Openatom

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-41686
2026-10-03 Alias added: GHSA-wwfq-hcph-q6fg

References

Advisory 1

https://gitee.com/openharmony/security/blob/master/en/security-disclosure/2022/2022-10.md

TI-2022-20662 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.8
TI-2022-20682 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.4
TI-2022-18233 Authentication bypass in OpenHarmony CVSS 3.1HIGH 8.8
TI-2022-22675 Improper authentication in OpenHarmony CVSS 3.1HIGH 8.3
TI-2022-21243 Multiple path traversal in appspawn and nwebspawn services. CVSS 3.1HIGH 8.4
TI-2022-21851 Buffer overflow in OpenHarmony CVSS 3.1HIGH 7.8

See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences