CVE-2022-20421

In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. 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-239630375References: Upstream kernel

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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
https://www.debian.org/security/2022/dsa-5257	Third Party Advisory
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
https://www.debian.org/security/2022/dsa-5257	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

History

21 Nov 2024, 06:42

Type	Values Removed	Values Added
References	~~() https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html - Mailing List, Third Party Advisory
References	~~() https://source.android.com/security/bulletin/2022-10-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2022-10-01 - Patch, Vendor Advisory
References	~~() https://www.debian.org/security/2022/dsa-5257 - Third Party Advisory~~	() https://www.debian.org/security/2022/dsa-5257 - Third Party Advisory

Information

Published : 2022-10-11 20:15

Updated : 2024-11-21 06:42

NVD link : CVE-2022-20421

Mitre link : CVE-2022-20421

CVE.ORG link : CVE-2022-20421

JSON object : View

Products Affected

google

android

debian

debian_linux

CWE

CWE-416

Use After Free

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