{"id":"CVE-2017-8903","aliases":["ALPINE-CVE-2017-8903","DEBIAN-CVE-2017-8903","DLA-964-1","DSA-3847-1","EUVD-2017-17843","GHSA-qx4f-g697-2347","UBUNTU-CVE-2017-8903"],"status":"published","title":"Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might...","description":"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.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0049,"percentile":0.42404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2017-05-09T00:00:00Z","modified":"2026-09-01T20:03:51Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.3","package":"xen","fixed_in":["4.6.3-r7"],"sources":["osv"]},{"ecosystem":"Alpine:v3.4","package":"xen","fixed_in":["4.6.3-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.5","package":"xen","fixed_in":["4.7.2-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"xen","fixed_in":["4.8.1-r2"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.8.1-1+deb9u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.8.1-1+deb9u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.8.1-1+deb9u1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"xen","fixed_in":["4.4.2-0ubuntu0.14.04.11"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"xen","fixed_in":["4.6.5-0ubuntu1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.3-r7"}]}]},{"source":"osv","ecosystem":"Alpine:v3.4","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.3-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.5","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.2-r1"}]}]},{"source":"osv","ecosystem":"Alpine:v3.6","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-r2"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u1"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.6.lts1-8"}]}],"versions":["4.1.4-3","4.1.4-3+deb7u1","4.1.4-3+deb7u2","4.1.4-3+deb7u3","4.1.4-3+deb7u4","4.1.4-3+deb7u5","4.1.4-3+deb7u6","4.1.4-3+deb7u7","4.1.4-3+deb7u8","4.1.4-3+deb7u9","4.1.4-4","4.1.6.1-1+deb7u1","4.1.6.lts1-1","4.1.6.lts1-2","4.1.6.lts1-3","4.1.6.lts1-4","4.1.6.lts1-5","4.1.6.lts1-6","4.1.6.lts1-7"],"bundled":5},{"source":"osv","ecosystem":"Debian:8","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.1-9+deb8u9"}]}],"versions":["4.4.1-9","4.4.1-9+deb8u1","4.4.1-9+deb8u2","4.4.1-9+deb8u3","4.4.1-9+deb8u4","4.4.1-9+deb8u5","4.4.1-9+deb8u6","4.4.1-9+deb8u7","4.4.1-9+deb8u8"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"xen","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"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"xen","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"]}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"https://security.gentoo.org/glsa/201705-11","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id/1038386","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://xenbits.xen.org/xsa/advisory-213.html","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Patch","Vendor Advisory","fix","report"]},{"url":"http://www.securityfocus.com/bid/98426","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8903"},{"url":"https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215"},{"url":"https://github.com/advisories/GHSA-qx4f-g697-2347"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-8903","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-8903","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-8903","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-8903","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:00:00Z","modified":"2024-08-05T16:48:22.896Z","updated_at":"2026-11-02T14:33:14.89365Z"}],"euvd":[{"id":"EUVD-2017-17843","description":"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.","status":"published","published":"2017-05-11T19:00:00Z","modified":"2024-08-05T16:48:22Z","updated_at":"2026-11-03T02:23:29.67797Z"}],"ghsa":[{"id":"GHSA-qx4f-g697-2347","title":"Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might...","description":"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.","status":"published","published":"2022-05-13T01:47:44Z","modified":"2025-04-20T03:38:30Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:01:46.283604Z"}],"nvd":[{"id":"CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:29:00.227Z","modified":"2026-06-17T01:27:10.393Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:03:47.848196Z"}],"osv":[{"id":"ALPINE-CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:29:00.227Z","modified":"2026-06-15T18:18:07.083461563Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:47.187336Z"},{"id":"CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:29:00.227Z","modified":"2026-03-15T22:18:03.124368Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:29:00.227Z","modified":"2026-09-01T20:03:51.28499814Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-8903","description":"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.","status":"published","published":"2017-05-11T19:29:00Z","modified":"2026-04-22T11:35:22.737223Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:16.154988Z"},{"id":"DLA-964-1","title":"xen - security update","status":"published","published":"2017-05-30T00:00:00Z","modified":"2026-03-09T02:10:50.088651Z","updated_at":"2026-11-02T15:46:13.584509Z"},{"id":"DSA-3847-1","title":"xen - security update","status":"published","published":"2017-05-09T00:00:00Z","modified":"2026-03-09T01:21:46.751782Z","updated_at":"2026-11-02T15:46:16.523846Z"}]}}