CVE-2022-42464

CVSS V2 None CVSS V3 High 7.8

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.

Overview

CVE ID
CVE-2022-42464

Assigner
scy@openharmony.io

Vulnerability Status
Analyzed

Published Version
2022-10-14T15:16:25

Last Modified Date
2022-10-18T19:39:13

Weakness Enumerations

CWE	URL
CWE-276	http://cwe.mitre.org/data/definitions/276.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:openharmony:openharmony::::::::	1	OR	3.0	3.0.6
cpe:2.3:a:openharmony:openharmony::::::::	1	OR	3.1	3.1.2

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-42464
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42464

History

Created	Old Value	New Value	Data Type	Notes
2022-10-14 16:00:11				Added to TrackCVE
2022-12-07 07:22:50	2022-10-14T15:16Z	2022-10-14T15:16:25	CVE Published Date	updated
2022-12-07 07:22:50		2022-10-18T19:39:13	CVE Modified Date	updated
2022-12-07 07:22:50		Analyzed	Vulnerability Status	updated