{"id":"UBUNTU-CVE-2017-8903","details":"Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.","modified":"2025-09-08T16:44:15Z","published":"2017-05-11T19:29:00Z","upstream":["CVE-2017-8903"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-8903"},{"type":"REPORT","url":"https://xenbits.xen.org/xsa/advisory-213.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-8903"}],"affected":[{"package":{"name":"xen","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/xen@4.4.2-0ubuntu0.14.04.11?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.2-0ubuntu0.14.04.11"}]}],"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","4.4.1-0ubuntu0.14.04.3","4.4.1-0ubuntu0.14.04.4","4.4.1-0ubuntu0.14.04.5","4.4.1-0ubuntu0.14.04.6","4.4.2-0ubuntu0.14.04.1","4.4.2-0ubuntu0.14.04.2","4.4.2-0ubuntu0.14.04.3","4.4.2-0ubuntu0.14.04.4","4.4.2-0ubuntu0.14.04.5","4.4.2-0ubuntu0.14.04.6","4.4.2-0ubuntu0.14.04.7","4.4.2-0ubuntu0.14.04.9","4.4.2-0ubuntu0.14.04.10"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"libxen-4.4"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"libxen-dev"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"libxen-ocaml"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"libxen-ocaml-dev"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"libxenstore3.0"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.1-amd64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.3-amd64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.3-armhf"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.4-amd64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.4-arm64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-hypervisor-4.4-armhf"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-system-amd64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-system-arm64"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-system-armhf"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-utils-4.4"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xen-utils-common"},{"binary_version":"4.4.2-0ubuntu0.14.04.11","binary_name":"xenstore-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8903.json"}},{"package":{"name":"xen","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/xen@4.6.5-0ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.5-0ubuntu1.1"}]}],"versions":["4.5.1-0ubuntu1","4.5.1-0ubuntu2","4.6.0-1ubuntu1","4.6.0-1ubuntu2","4.6.0-1ubuntu4","4.6.0-1ubuntu4.1","4.6.0-1ubuntu4.2","4.6.0-1ubuntu4.3","4.6.5-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"libxen-4.6"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"libxen-dev"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"libxenstore3.0"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.4-amd64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.4-arm64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.4-armhf"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.5-amd64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.5-arm64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.5-armhf"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.6-amd64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.6-arm64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-hypervisor-4.6-armhf"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-system-amd64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-system-arm64"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-system-armhf"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-utils-4.6"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xen-utils-common"},{"binary_version":"4.6.5-0ubuntu1.1","binary_name":"xenstore-utils"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-8903.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}