CVE-2021-39643

MEDIUM

Android - Local Privilege Escalation via Missing Return Value Validation in ic_startRetrieveEntryValue

Title source: llm

Description

In ic_startRetrieveEntryValue of acropora/app/identity/ic.c, there is a possible bypass of defense-in-depth due to missing validation of the return value. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-195573629References: 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 6.7

EPSS 0.0012

EPSS Percentile 2.1%

Attack Vector LOCAL

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

Details

CWE

CWE-252

Status published

Products (1)

google/android

Published Dec 15, 2021

Tracked Since Feb 18, 2026