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CVE-2021-39802

HIGH CVSS: 7.8 Published: 2022-04-12 Modified: 2026-06-17

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

Affected Platforms

Google Android

Weakness Type

CWE-863

References