CVE-2021-39642

MEDIUM

Android - Local Privilege Escalation via Race Condition in synchronous_process_io_entries

Title source: llm

Description

In synchronous_process_io_entries of lwis_ioctl.c, there is a possible out of bounds write due to a race condition. 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-195731663References: 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 6.4

EPSS 0.0009

EPSS Percentile 0.5%

Attack Vector LOCAL

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

Details

CWE

CWE-362

Status published

Products (1)

google/android

Published Dec 15, 2021

Tracked Since Feb 18, 2026