CVE-2022-20421

High

Description

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

SeverityHigh

CVSS7.8

Exploit probability—

Product

Google Android

PublishedOct 11, 2022

First seenOct 11, 2022

How to fix

Vendor advisories

debian.org/security/2022/dsa-5257

Affected products

Product	Affected versions	Fixed in
google android	No range specified	—
debian debian_linux	10.0, 11.0	—

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