CVE-2022-20422

CVSS V2 None CVSS V3 High 7

Description

In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237540956References: Upstream kernel

Overview

CVE ID
CVE-2022-20422

Assigner
security@android.com

Vulnerability Status
Analyzed

Published Version
2022-10-11T20:15:12

Last Modified Date
2022-12-03T02:41:45

Weakness Enumerations

CWE	URL
CWE-362	http://cwe.mitre.org/data/definitions/362.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:google:android:-:::::::*	1	OR
cpe:2.3:o:debian:debian_linux:10.0:::::::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
LOCAL

Attack Compatibility
HIGH

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7

Base Severity
HIGH

Exploitability Score
1

Impact Score
5.9

References

Reference URL	Reference Tags
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html	Mailing List Third Party Advisory
https://source.android.com/security/bulletin/2022-10-01	Patch Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-20422
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20422

History

Created	Old Value	New Value	Data Type	Notes
2022-10-11 21:00:59				Added to TrackCVE
2022-12-07 06:26:04	2022-10-11T20:15Z	2022-10-11T20:15:12	CVE Published Date	updated
2022-12-07 06:26:04		2022-12-03T02:41:45	CVE Modified Date	updated
2022-12-07 06:26:04		Analyzed	Vulnerability Status	updated
2022-12-07 06:26:16			References	updated