Description
In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-170732441
Exploits (1)
nomisec
WORKING POC
by Satheesh575555 · poc
https://github.com/Satheesh575555/system_core_AOSP10_r33-CVE-2021-0330
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2021-02-01
Scores
CVSS v3
7.8
EPSS
0.0003
EPSS Percentile
8.2%
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-416
Status
published
Products (3)
google/android
9.0
google/android
10.0
google/android
11.0
Published
Feb 10, 2021
Tracked Since
Feb 18, 2026