VULNERABILITY INTELLIGENCE
CVE-2021-39801
CVSS score7.8 HIGH
EPSS probability0.12%
CISA KEVNot currently listed
Published2022-04-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- security@android.com — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory