CVE-2021-39639

MEDIUM

Android - Local Privilege Escalation via Missing Permission Check in fvp.c

Title source: llm

Description

In TBD of fvp.c, there is a possible way to glitch CPU behavior due to a missing permission check. This could lead to local escalation of privilege with physical access to device internals with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-198291476References: N/A

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/pixel/2021-12-01

Scores

CVSS v3 6.8

EPSS 0.0013

EPSS Percentile 2.6%

Attack Vector PHYSICAL

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-862

Status published

Products (1)

google/android

Published Dec 15, 2021

Tracked Since Feb 18, 2026