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CVE-2022-42464

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CVE-2022-42464

Published: Oct 14, 2022

Modified: May 14, 2025

PUBLISHED

CVSS v3.1

6.7

MEDIUM

Description

OpenHarmony-v3.1.2 and prior versions, 3.0.6 and prior versions have a Kernel memory pool override vulnerability in /dev/mmz_userdev device driver. The impact depends on the privileges of the attacker. The unprivileged process run on the device could disclose sensitive information including kernel pointer, which could be used in further attacks. The processes with system user UID run on the device would be able to mmap memory pools used by kernel and override them which could be used to gain kernel code execution on the device, gain root privileges, or cause device reboot.

VendorProductVersions

OpenHarmony

OpenHarmony

affected
OpenHarmony-v3.1.x-Release - <= 3.1.2
affected
OpenHarmony-v3.0.x-LTS - <= 3.0.6

Weaknesses (CWE)

CWE-276

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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