{"id":"UBUNTU-CVE-2016-7093","details":"Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.","modified":"2025-07-16T08:19:41.952514Z","published":"2016-09-21T14:25:00Z","withdrawn":"2025-07-18T16:43:36Z","upstream":["CVE-2016-7093"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-7093"},{"type":"REPORT","url":"http://xenbits.xen.org/xsa/advisory-186.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-7093"}],"affected":[{"package":{"name":"xen","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xen@4.6.0-1ubuntu4.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.0-1ubuntu4.1"}]}],"versions":["4.5.1-0ubuntu1","4.5.1-0ubuntu2","4.6.0-1ubuntu1","4.6.0-1ubuntu2","4.6.0-1ubuntu4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxen-4.6","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"libxen-4.6-dbgsym","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"libxen-dev","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"libxenstore3.0","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"libxenstore3.0-dbgsym","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.4-amd64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.4-arm64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.4-armhf","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.5-amd64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.5-arm64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.5-armhf","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.6-amd64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.6-arm64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-hypervisor-4.6-armhf","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-system-amd64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-system-arm64","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-system-armhf","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-utils-4.6","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-utils-4.6-dbgsym","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xen-utils-common","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xenstore-utils","binary_version":"4.6.0-1ubuntu4.1"},{"binary_name":"xenstore-utils-dbgsym","binary_version":"4.6.0-1ubuntu4.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7093.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}