cvedb.io
CVE-2021-39802
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2022-04-12T17:15:08.413 · Last modified 2026-06-17T04:04:10.950

Summary

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 products

google — android

Does this affect you?

Add your gear to cvedb and we'll alert you only when google ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.