{"id":"CVE-2017-10923","aliases":["ALPINE-CVE-2017-10923","DEBIAN-CVE-2017-10923","EUVD-2017-2561","GHSA-83mw-xpgw-63qr","UBUNTU-CVE-2017-10923"],"status":"published","title":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows...","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/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":0.01804,"percentile":0.78691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2017-07-05T01:00:00Z","modified":"2026-09-01T20:03:41Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.3","package":"xen","fixed_in":["4.6.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.4","package":"xen","fixed_in":["4.6.6-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.5","package":"xen","fixed_in":["4.7.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"xen","fixed_in":["4.8.2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"xen","fixed_in":["4.9.0-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.8.1-1+deb9u3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.8.1-1+deb9u3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.8.1-1+deb9u3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"xen","fixed_in":["4.6.5-0ubuntu1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.4","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.6-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.5","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.6","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.0-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.1-1+deb9u3"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.5-0ubuntu1.2"}]}],"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","4.6.5-0ubuntu1.1"]}],"products":[{"vendor":"xen","product":"xen"}],"references":[{"url":"http://www.securitytracker.com/id/1038735","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"http://www.securityfocus.com/bid/99160","tags":["vdb-entry","x_refsource_BID","x_transferred","Tool Signature","VDB Entry","advisory"]},{"url":"https://security.gentoo.org/glsa/201708-03","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-225.html","tags":["x_refsource_CONFIRM","x_transferred","Mailing List","Mitigation","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-10923"},{"url":"https://github.com/advisories/GHSA-83mw-xpgw-63qr"},{"url":"https://security.alpinelinux.org/vuln/CVE-2017-10923","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-10923","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-10923","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-10923","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:00:00Z","modified":"2024-08-05T17:50:12.816Z","updated_at":"2026-11-02T14:33:12.942409Z"}],"euvd":[{"id":"EUVD-2017-2561","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:00:00Z","modified":"2024-08-05T17:50:12Z","updated_at":"2026-11-03T02:23:25.281788Z"}],"ghsa":[{"id":"GHSA-83mw-xpgw-63qr","title":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows...","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2022-05-17T01:59:03Z","modified":"2023-02-03T05:06:37Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:55.946665Z"}],"nvd":[{"id":"CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:29:00.907Z","modified":"2026-06-17T01:00:55.923Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:51.893212Z"}],"osv":[{"id":"ALPINE-CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:29:00.907Z","modified":"2026-06-15T18:18:06.72800315Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:27:46.716249Z"},{"id":"CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:29:00.907Z","modified":"2026-03-14T14:25:00.198456Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:03.851821Z"},{"id":"DEBIAN-CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:29:00.907Z","modified":"2026-09-01T20:03:41.013057127Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:28.50097Z"},{"id":"UBUNTU-CVE-2017-10923","description":"Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.","status":"published","published":"2017-07-05T01:29:00Z","modified":"2026-04-22T11:10:33.948231Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:13.729565Z"}]}}
