CVE-2021-39802

Summary

CVECVE-2021-39802
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-04-12 17:15:00 UTC
Updated2022-07-12 17:42:00 UTC
DescriptionIn 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

Risk And Classification

Problem Types: CWE-863

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Google Android - All All All

References

ReferenceSourceLinkTags
Android Security Bulletin—April 2022  |  Android Open Source Project MISC source.android.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 610407 Google Android Devices April 2022 Security Patch Missing
  • 610415 Google Android May 2022 Security Patch Missing for Samsung
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