PRIOn knowledge basePRION:CVE-2022-20421

HistoryOct 11, 2022 - 8:15 p.m.

Memory corruption

2022-10-1120:15:00

PRIOn knowledge base

www.prio-n.com

memory corruption

use after free

local escalation

android kernel

upstream kernel

nvd

7.4 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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

CPENameOperatorVersion
debian_linuxeq10.0
debian_linuxeq11.0

CPE	Name	Operator	Version
	debian_linux	eq	10.0
	debian_linux	eq	11.0

References

lists.debian.org/debian-lts-announce/2022/11/msg00001.html

source.android.com/security/bulletin/2022-10-01

www.debian.org/security/2022/dsa-5257