What is CVE-2022-20118?

CVE-2022-20118 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-05-10.

How severe is CVE-2022-20118?

High severity. CVSS v3 base score is 7.0 out of 10.

Use After Free in Google Android

CVE-2022-20118

In ion_ioctl and related functions of ion.c, 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 kernelAndroid ID: A-205707793References: N/A

Vulnerability class: Race Condition

Published 2022-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

References

source.android.com/security/bulletin/pixel/2022-05-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20118?: CVE-2022-20118 is a high-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2022-05-10.
How severe is CVE-2022-20118?: High severity. CVSS v3 base score is 7.0 out of 10.