CVE-2022-20238 Information

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

Reference

https://source.android.com/security/bulletin/2022-07-01