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
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published: 2022-04-12T16:11:45

Updated: 2024-08-04T02:20:33.250Z

Reserved: 2021-08-23T00:00:00

Link: CVE-2021-39802

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-04-12T17:15:08.413

Modified: 2022-07-12T17:42:04.277

Link: CVE-2021-39802

cve-icon Redhat

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