CVE-2021-39802

Publication date

2022-04-12 16:11:45

Family

google_android

State

PUBLISHED

Description

In change_pte_range of mprotect.c , there is a possible way to make a shared mmap writable due to a permissions bypass. 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-213339151References: Upstream kernel