CVE-2023-20939

HIGH

Android - Use-After-Free in looper_backed_event_loop.cpp

Title source: llm
STIX 2.1

Description

In multiple functions of looper_backed_event_loop.cpp, there is a possible way to corrupt memory 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-12 Android-12L Android-13Android ID: A-243362981

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0007
EPSS Percentile 0.1%
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
Status published
Products (3)
google/android 12.0
google/android 12.1
google/android 13.0
Published Feb 28, 2023
Tracked Since Feb 18, 2026