CVE-2021-39801

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CVSS 3.1

7.8 high

EPSS

<1%p2

Published

Apr 12, 2022 (Apr 12, 2022)

Modified

Jun 17, 2026

Description

In ion_ioctl of ion-ioctl.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-209791720References: Upstream kernel

Vendors: google
Products: android
Weakness: CWE-416, CWE-667
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.1%)

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