CVE-2023-20928

HIGH

Android - Use-After-Free in Binder VMA Management

Title source: llm
STIX 2.1

Description

In binder_vma_close of binder.c, there is a possible use after free due to improper locking. 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-254837884References: Upstream kernel

Scores

CVSS v3 7.8
EPSS 0.0018
EPSS Percentile 7.8%
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 none
Automatable no
Technical Impact total

Details

CWE
CWE-667 CWE-416
Status published
Products (1)
google/android
Published Jan 26, 2023
Tracked Since Feb 18, 2026