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

CVE-2022-20421

Summary

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

References

https://source.android.com/security/bulletin/2022-10-01
https://www.debian.org/security/2022/dsa-5257
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html

Vulnerable Configurations

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

CVSS

Base:	None
Impact:
Exploitability:

CWE

CWE-416

CAPEC

Access

Vector	Complexity	Authentication

Impact

Confidentiality	Integrity	Availability

Last major update

03-12-2022 - 02:42

Published

11-10-2022 - 20:15

Last modified

03-12-2022 - 02:42