CVE-2021-39629

HIGH

Android - Use-After-Free via Race Condition in phTmlNfc_Init and phTmlNfc_CleanUp

Title source: llm
STIX 2.1

Description

In phTmlNfc_Init and phTmlNfc_CleanUp of phTmlNfc.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-197353344

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0009
EPSS Percentile 0.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-362 CWE-416
Status published
Products (4)
google/android 9.0
google/android 10.0
google/android 11.0
google/android 12.0
Published Jan 14, 2022
Tracked Since Feb 18, 2026