The virtqueue_pop function in hw/virtio/virtio.c in QEMU allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) by submitting requests without waiting for completion.Referenceshttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1756.htmlhttp://xenbits.xen.org/xsa/advisory-184.htmlhttp://www.ubuntu.com/usn/USN-3047-1http://rhn.redhat.com/errata/RHSA-2016-1655.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1358359http://rhn.redhat.com/errata/RHSA-2016-1763.htmlhttp://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlhttp://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1585.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1653.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1607.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1654.htmlhttp://www.securitytracker.com/id/1036476http://www.ubuntu.com/usn/USN-3047-2http://rhn.redhat.com/errata/RHSA-2016-1606.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1586.htmlhttp://rhn.redhat.com/errata/RHSA-2016-1943.htmlhttp://www.securityfocus.com/bid/92148http://rhn.redhat.com/errata/RHSA-2016-1652.htmlhttps://lists.debian.org/debian-lts-announce/2019/09/msg00021.html