Xen through 4.8.x mishandles page transfer, which allows guest OS users to obtain privileged host OS access, aka XSA-217.
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-10912.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "4.8.1" } ] } ]