{"id":"ASB-A-233154555", "published":"2022-07-01T00:00:00Z", "modified":"2026-05-01T15:24:27.653932157Z", "aliases":["CVE-2022-20238", "U-1883892", "A-233154555"], "details":"'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 exploited", "affected":[{"package":{"name":":unknown:", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":"SoCVersion:0"}, {"fixed":"SoCVersion:2022-07-05"}]}], "versions":["SoCVersion"], "ecosystem_specific":{"severity":"High", "spl":"2022-07-05", "types":["EoP"]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2022-07-01"}]}