Qemu: serial: host memory leakage 16550A UART emulation [CVE-2017-5579]
    	(#1416162)
    Qemu: display: cirrus: OOB read access issue [CVE-2017-7718] (#1443444)
    xen: various flaws (#1481765)
    multiple problems with transitive grants [XSA-226, CVE-2017-12135]
    x86: PV privilege escalation via map_grant_ref [XSA-227, CVE-2017-12137]
    grant_table: Race conditions with maptrack free list handling
    	[XSA-228, CVE-2017-12136]
    grant_table: possibly premature clearing of GTF_writing / GTF_reading
    	[XSA-230, CVE-2017-12855]