CVE-2023-20938

HIGH

Google Android - Use After Free

Title source: rule
STIX 2.1

Description

In binder_transaction_buffer_release of binder.c, there is a possible use after free due to improper input validation. 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-257685302References: Upstream kernel

Exploits (2)

nomisec WORKING POC 9 stars
by anansi2safe · poc
https://github.com/anansi2safe/CVE-2023-20938
nomisec WORKING POC
by 0xAtharv · poc
https://github.com/0xAtharv/CVE-2023-20938-Public

Scores

CVSS v3 7.8
EPSS 0.0016
EPSS Percentile 36.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (1)
google/android
Published Feb 28, 2023
Tracked Since Feb 18, 2026