VULNERABILITY INTELLIGENCE
CVE-2021-39800
CVSS score5.5 MEDIUM
EPSS probability0.15%
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:N/A:N
Description
In ion_ioctl of ion-ioctl.c, there is a possible way to leak kernel head data due to a use after free. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-208277166References: 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