Xen, when running on a 64-bit hypervisor, allows local x86 guest OS users to modify arbitrary memory and consequently obtain sensitive information, cause a denial of service (host crash), or execute arbitrary code on the host by leveraging broken emulation of bit test instructions.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libxen-4.4", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxen-4.4-dbgsym", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxen-dev", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxen-ocaml", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxen-ocaml-dbgsym", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxen-ocaml-dev", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxenstore3.0", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "libxenstore3.0-dbgsym", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.1-amd64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.3-amd64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.3-armhf", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.4-amd64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.4-arm64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-hypervisor-4.4-armhf", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-system-amd64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-system-arm64", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-system-armhf", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-utils-4.4", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-utils-4.4-dbgsym", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xen-utils-common", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xenstore-utils", "binary_version": "4.4.2-0ubuntu0.14.04.9" }, { "binary_name": "xenstore-utils-dbgsym", "binary_version": "4.4.2-0ubuntu0.14.04.9" } ], "ubuntu_priority": "medium" }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "libxen-4.6", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "libxen-4.6-dbgsym", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "libxen-dev", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "libxenstore3.0", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "libxenstore3.0-dbgsym", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.4-amd64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.4-arm64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.4-armhf", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.5-amd64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.5-arm64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.5-armhf", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.6-amd64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.6-arm64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-hypervisor-4.6-armhf", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-system-amd64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-system-arm64", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-system-armhf", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-utils-4.6", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-utils-4.6-dbgsym", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xen-utils-common", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xenstore-utils", "binary_version": "4.6.0-1ubuntu4.3" }, { "binary_name": "xenstore-utils-dbgsym", "binary_version": "4.6.0-1ubuntu4.3" } ], "ubuntu_priority": "medium" }