CVE-2022-20239

Published Aug 9, 2022 CVSS 3.1 · 4.2 Medium 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-233972091

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-25499 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-233972091
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L'}

Type Values Removed Values Added
Weaknesses CWE-269
Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Oct 20, 2025, 5:53 PM
Reserved
Oct 14, 2021, 12:00 AM
Status
Modified
Published
Aug 10, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:23 AM