{"id":"UBUNTU-CVE-2015-8554","details":"Buffer overflow in hw/pt-msi.c in Xen 4.6.x and earlier, when using the qemu-xen-traditional (aka qemu-dm) device model, allows local x86 HVM guest administrators to gain privileges by leveraging a system with access to a passed-through MSI-X capable physical PCI device and MSI-X table entries, related to a \"write path.\"","modified":"2026-04-22T10:21:34.901152Z","published":"2016-04-14T14:59:00Z","upstream":["CVE-2015-8554"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8554"},{"type":"REPORT","url":"http://xenbits.xen.org/xsa/advisory-164.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8554"}],"affected":[{"package":{"name":"xen","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/xen@4.4.2-0ubuntu0.14.04.4?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.2-0ubuntu0.14.04.4"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"libxen-4.4","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"libxen-ocaml","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"libxenstore3.0","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.1-amd64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.3-amd64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.3-armhf","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.4-amd64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.4-arm64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-hypervisor-4.4-armhf","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-system-amd64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-system-arm64","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-system-armhf","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-utils-4.4","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xen-utils-common","binary_version":"4.4.2-0ubuntu0.14.04.4"},{"binary_name":"xenstore-utils","binary_version":"4.4.2-0ubuntu0.14.04.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8554.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}