Linux Distros Unpatched Vulnerability : CVE-2017-10922

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service loss of grant...

CVE-2012-5510

Xen 4.x, when downgrading the grant table version, does not properly remove the status page from the tracking list when freeing the page, which allows local guest OS administrators to cause a denial of service hypervisor crash via unspecified vectors...