Critical severity9.8NVD Advisory· Published Jul 13, 2022· Updated Jun 17, 2026
CVE-2022-20238
CVE-2022-20238
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
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Affected products
2Patches
Vulnerability mechanics
References
1- source.android.com/security/bulletin/2022-07-01nvdPatchVendor Advisory
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