OPENSUSE-SU-2022:0333-1 Security update for xen

This update for xen fixes the following issues: - CVE-2022-23033: Fixed guestphysmapremovepage not removing the p2m mappings. XSA-393 bsc1194576 - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. XSA-394 bsc1194581 - CVE-2022-23035: Fixed insufficient cleanup of...

CVE-2022-23033

arm: guestphysmapremovepage not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm p2mremovemapping, guestphysmapremovepage, and p2msetentry with mfn set to INVALIDMFN do not actually clear the pagetable entry if the entry doesn't have the vali...