{"id":"CVE-2017-14431","aliases":["DEBIAN-CVE-2017-14431","DLA-1493-1","EUVD-2017-5934","GHSA-5c92-xf29-3c94","UBUNTU-CVE-2017-14431"],"status":"published","title":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or...","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00338,"percentile":0.27446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-772"],"published":"2017-09-13T22:00:00Z","modified":"2026-09-01T20:03:43Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.8.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.8.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.8.1-1"],"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"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4lts1-0+deb8u1"}]}],"versions":["4.4.1-9","4.4.1-9+deb8u1","4.4.1-9+deb8u10","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","4.4.1-9+deb8u9"],"bundled":2},{"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"}]}],"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"]}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://xenbits.xen.org/xsa/advisory-207.html","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Patch","Vendor Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-14431"},{"url":"https://github.com/advisories/GHSA-5c92-xf29-3c94"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-14431","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-14431","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-14431","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-14431","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:00:00Z","modified":"2024-08-05T19:27:40.593Z","updated_at":"2026-11-02T14:33:12.267141Z"}],"euvd":[{"id":"EUVD-2017-5934","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:00:00Z","modified":"2024-08-05T19:27:40Z","updated_at":"2026-11-03T02:23:16.710282Z"}],"ghsa":[{"id":"GHSA-5c92-xf29-3c94","title":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or...","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2022-05-13T01:43:25Z","modified":"2023-02-02T05:00:53Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:51:03.910277Z"}],"nvd":[{"id":"CVE-2017-14431","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:29:00.253Z","modified":"2026-06-17T01:06:08.293Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:03:59.716532Z"}],"osv":[{"id":"CVE-2017-14431","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:29:00.253Z","modified":"2026-03-14T09:22:11.911273Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:04.572713Z"},{"id":"DEBIAN-CVE-2017-14431","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:29:00.253Z","modified":"2026-09-01T20:03:43.928448969Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:28.801885Z"},{"id":"UBUNTU-CVE-2017-14431","description":"Memory leak in Xen 3.3 through 4.8.x allows guest OS users to cause a denial of service (ARM or x86 AMD host OS memory consumption) by continually rebooting, because certain cleanup is skipped if no pass-through device was ever assigned, aka XSA-207.","status":"published","published":"2017-09-13T22:29:00Z","modified":"2026-04-22T11:16:27.966607Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:14.122973Z"},{"id":"DLA-1493-1","title":"xen - security update","status":"published","published":"2018-09-05T00:00:00Z","modified":"2026-03-09T01:22:12.041332Z","updated_at":"2026-11-02T15:46:09.777694Z"}]}}