CVE-2022-20238

Published Jul 13, 2022 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
'remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploitedProduct: AndroidVersions: Android SoCAndroid ID: A-233154555

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-25498 'remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploitedProduct: AndroidVersions: Android SoCAndroid ID: A-233154555
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00301}

epss

{'score': 0.00254}

Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Aug 3, 2024, 2:02 AM
Reserved
Oct 14, 2021, 12:00 AM
Status
Modified
Published
Jul 13, 2022, 7:15 PM
Modified
Jun 17, 2026, 4:23 AM