{"id":"UBUNTU-CVE-2014-5148","details":"Xen 4.4.x, when running on an ARM system and \"handling an unknown system register access from 64-bit userspace,\" returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.","modified":"2026-04-22T09:46:27.815733Z","published":"2014-10-26T20:55:00Z","upstream":["CVE-2014-5148"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2014-5148"},{"type":"REPORT","url":"http://lists.xen.org/archives/html/xen-announce/2014-08/msg00001.html"},{"type":"REPORT","url":"http://xenbits.xen.org/xsa/advisory-103.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2014-5148"}],"affected":[{"package":{"name":"xen","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/xen@4.4.1-0ubuntu0.14.04.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.1-0ubuntu0.14.04.3"}]}],"versions":["4.3.0-1ubuntu1","4.3.0-1ubuntu2","4.3.0-1ubuntu3","4.3.0-1ubuntu4","4.3.0-1ubuntu5","4.4.0-0ubuntu3","4.4.0-0ubuntu4","4.4.0-0ubuntu5","4.4.0-0ubuntu5.1","4.4.0-0ubuntu5.2","4.4.1-0ubuntu0.14.04.1","4.4.1-0ubuntu0.14.04.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libxen-4.4","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"libxen-ocaml","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_version":"4.4.1-0ubuntu0.14.04.3","binary_name":"libxenstore3.0"},{"binary_name":"xen-hypervisor-4.1-amd64","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-hypervisor-4.3-amd64","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_version":"4.4.1-0ubuntu0.14.04.3","binary_name":"xen-hypervisor-4.3-armhf"},{"binary_version":"4.4.1-0ubuntu0.14.04.3","binary_name":"xen-hypervisor-4.4-amd64"},{"binary_name":"xen-hypervisor-4.4-arm64","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-hypervisor-4.4-armhf","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-system-amd64","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-system-arm64","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-system-armhf","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-utils-4.4","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xen-utils-common","binary_version":"4.4.1-0ubuntu0.14.04.3"},{"binary_name":"xenstore-utils","binary_version":"4.4.1-0ubuntu0.14.04.3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2014/UBUNTU-CVE-2014-5148.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"low"}]}