Use After Free in Google Android
CVE-2021-0429
In pollOnce of ALooper.cpp, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-175074139
Vulnerability class: Use-After-Free
EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Android — versions 8.1, 9.0, 10.0
- N/a Android — versions Android-9 Android-10 Android-11 Android-8.1
Weakness classification (CWE)
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-0429?
- CVE-2021-0429 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2021-04-13.
- How severe is CVE-2021-0429?
- High severity. CVSS v3 base score is 7.8 out of 10.