{"id":"CVE-2016-9637","details":"The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.","modified":"2026-04-16T06:19:57.955263161Z","published":"2017-02-17T02:59:13.967Z","related":["SUSE-SU-2016:3044-1","SUSE-SU-2016:3067-1","SUSE-SU-2016:3083-1","SUSE-SU-2016:3156-1","SUSE-SU-2016:3174-1","SUSE-SU-2016:3273-1","openSUSE-SU-2024:11520-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html"},{"type":"WEB","url":"https://support.citrix.com/article/CTX219136"},{"type":"WEB","url":"http://www.securityfocus.com/bid/94699"},{"type":"WEB","url":"http://www.securitytracker.com/id/1037397"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-199.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201612-56"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-2963.html"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9637.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"6.0.2"}]},{"events":[{"introduced":"0"},{"last_affected":"6.2.0-sp1"}]},{"events":[{"introduced":"0"},{"last_affected":"6.5-sp1"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]}]}}],"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"}]}