What is CVE-2020-0433?

CVE-2020-0433 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2020-09-17.

How severe is CVE-2020-0433?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Google Android

CVE-2020-0433

In blk_mq_queue_tag_busy_iter of blk-mq-tag.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-151939299

Vulnerability class: Use-After-Free

Published 2020-09-17 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.001 (3.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.001 · change: -0.000

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

References

source.android.com/security/bulletin/pixel/2020-09-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-0433?: CVE-2020-0433 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2020-09-17.
How severe is CVE-2020-0433?: High severity. CVSS v3 base score is 7.8 out of 10.