Vulnerability Details 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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.053
EPSS Ranking 89.6%
CVSS Severity
CVSS v3 Score 7.8
References
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- 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
- https://source.android.com/security/bulletin/2022-10-01
- https://www.debian.org/security/2022/dsa-5257
Products affected by CVE-2022-20421
-
cpe:2.3:o:debian:debian_linux:10.0
-
cpe:2.3:o:debian:debian_linux:11.0
-
cpe:2.3:o:google:android:-