- xen: various flaws (#1685577)
      grant table transfer issues on large hosts [XSA-284]
      race with pass-through device hotplug [XSA-285]
      x86: steal_page violates page_struct access discipline [XSA-287]
      x86: Inconsistent PV IOMMU discipline [XSA-288]
      missing preemption in x86 PV page table unvalidation [XSA-290]
      x86/PV: page type reference counting issue with failed IOMMU update [XSA-291]
      x86: insufficient TLB flushing when using PCID [XSA-292]
      x86: PV kernel context switch corruption [XSA-293]
      x86 shadow: Insufficient TLB flushing when using PCID [XSA-294]