CVE-2020-0423

HIGH

Google Android - Improper Locking

Title source: rule
STIX 2.1

Description

In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A

Exploits (1)

nomisec WORKING POC 5 stars
by sparrow-labz · poc
https://github.com/sparrow-labz/CVE-2020-0423

References (2)

Core 2
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html

Scores

CVSS v3 7.8
EPSS 0.0095
EPSS Percentile 76.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-667 CWE-416
Status published
Products (2)
debian/debian_linux 9.0
google/android
Published Oct 14, 2020
Tracked Since Feb 18, 2026