{"id":"CVE-2019-17350","aliases":["DEBIAN-CVE-2019-17350","DSA-4602-1","EUVD-2019-7761","GHSA-j3j5-w2hq-cw74","MGASA-2020-0113","SUSE-RU-2019:2715-1","UBUNTU-CVE-2019-17350"],"status":"published","title":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of...","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00358,"percentile":0.29785,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-835"],"published":"2019-10-08T00:00:47Z","modified":"2026-09-21T07:02:29Z","fixes":[{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.11.3+24-g14b62ab3e5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.11.3+24-g14b62ab3e5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.11.3+24-g14b62ab3e5-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.3+24-g14b62ab3e5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.3+24-g14b62ab3e5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.3+24-g14b62ab3e5-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.8.5.final+shim4.10.4-1+deb9u12"}]}],"versions":["4.8.1-1+deb9u1","4.8.1-1+deb9u2","4.8.1-1+deb9u3","4.8.2+xsa245-0+deb9u1","4.8.3+comet2+shim4.10.0+comet3-1+deb9u4","4.8.3+comet2+shim4.10.0+comet3-1+deb9u4.1","4.8.3+comet2+shim4.10.0+comet3-1+deb9u5","4.8.3+xsa262+shim4.10.0+comet3-1+deb9u6","4.8.3+xsa262+shim4.10.0+comet3-1+deb9u7","4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8","4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9","4.8.4+xsa273+shim4.10.1+xsa273-1+deb9u10","4.8.5+shim4.10.2+xsa282-1+deb9u11"],"bundled":17},{"source":"osv","ecosystem":"Debian:10","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.3+24-g14b62ab3e5-1~deb10u1"}]}],"versions":["4.11.1+92-g6c33308a8d-2"],"bundled":17},{"source":"osv","ecosystem":"Mageia:7","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.1-1.mga7"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP1","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.1_02-3.3.1"}]}],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 SP1","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.1_02-3.3.1"}]}],"bundled":6},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","4.6.5-0ubuntu1.2","4.6.5-0ubuntu1.4"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.9.0-0ubuntu3","4.9.0-0ubuntu4","4.9.2-0ubuntu1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"xen","product":"xen"}],"references":[{"url":"http://xenbits.xen.org/xsa/advisory-295.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://xenbits.xen.org/xsa/advisory-295.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://www.debian.org/security/2020/dsa-4602","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://seclists.org/bugtraq/2020/Jan/21","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17350"},{"url":"https://github.com/advisories/GHSA-j3j5-w2hq-cw74"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-17350","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0113.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=25782","tags":["report"]},{"url":"https://xenbits.xen.org/xsa/advisory-296.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-298.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-299.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-301.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-302.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-303.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-304.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-305.html","tags":["advisory"]},{"url":"https://xenbits.xen.org/xsa/advisory-306.html","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/-2019-2715/suse-ru-20192715-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1027519","tags":["report"]},{"url":"https://bugzilla.suse.com/1111331","tags":["report"]},{"url":"https://bugzilla.suse.com/1120095","tags":["report"]},{"url":"https://bugzilla.suse.com/1133296","tags":["report"]},{"url":"https://bugzilla.suse.com/1135799","tags":["report"]},{"url":"https://bugzilla.suse.com/1137471","tags":["report"]},{"url":"https://bugzilla.suse.com/1137717","tags":["report"]},{"url":"https://bugzilla.suse.com/1138294","tags":["report"]},{"url":"https://bugzilla.suse.com/1138563","tags":["report"]},{"url":"https://bugzilla.suse.com/1143563","tags":["report"]},{"url":"https://bugzilla.suse.com/1145240","tags":["report"]},{"url":"https://bugzilla.suse.com/1145774","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12127","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12130","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-11091","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17349","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17350","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2019-17350","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-17350","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-17350","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:00:47Z","modified":"2024-08-05T01:40:15.836Z","updated_at":"2026-11-02T14:20:24.989116Z"}],"euvd":[{"id":"EUVD-2019-7761","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:00:47Z","modified":"2024-08-05T01:40:15Z","updated_at":"2026-11-03T02:40:30.328063Z"}],"ghsa":[{"id":"GHSA-j3j5-w2hq-cw74","title":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of...","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2022-05-24T16:58:10Z","modified":"2023-02-03T21:30:27Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:53:57.970783Z"}],"nvd":[{"id":"CVE-2019-17350","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:15:10.54Z","modified":"2026-06-17T02:23:46.897Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/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-835"],"updated_at":"2026-11-02T14:05:31.019577Z"}],"osv":[{"id":"CVE-2019-17350","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:15:10.54Z","modified":"2026-04-16T04:35:50.292048551Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:11.673963Z"},{"id":"DEBIAN-CVE-2019-17350","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:15:10.54Z","modified":"2026-09-21T07:02:29.098290377Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"UBUNTU-CVE-2019-17350","description":"An issue was discovered in Xen through 4.12.x allowing Arm domU attackers to cause a denial of service (infinite loop) involving a compare-and-exchange operation.","status":"published","published":"2019-10-08T00:15:00Z","modified":"2026-04-22T12:13:18.751397Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:20.325378Z"},{"id":"DSA-4602-1","title":"xen - security update","status":"published","published":"2020-01-13T00:00:00Z","modified":"2026-03-09T02:09:09.678718Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"MGASA-2020-0113","title":"Updated xen packages fix security vulnerability","description":"- Updated from 4.12.0 to 4.12.1\n- Device quarantine for alternate pci assignment methods [XSA-306]\n- x86: Machine Check Error on Page Size Change DoS [XSA-304, CVE-2018-12207]\n- TSX Asynchronous Abort speculative side channel [XSA-305, CVE-2019-11135]\n- VCPUOP_initialise DoS [XSA-296, CVE-2019-18420] (rhbz#1771368)\n- missing descriptor table limit checking in x86 PV emulation [XSA-298,\n  CVE-2019-18425] (rhbz#1771341)\n- Issues with restartable PV type change operations [XSA-299, CVE-2019-18421]\n  (rhbz#1767726)\n- add-to-physmap can be abused to DoS Arm hosts [XSA-301, CVE-2019-18423]\n  (rhbz#1771345)\n- passed through PCI devices may corrupt host memory after deassignment\n  [XSA-302, CVE-2019-18424] (rhbz#1767731)\n- ARM: Interrupts are unconditionally unmasked in exception handlers\n  [XSA-303, CVE-2019-18422] (rhbz#1771443)\n- Unlimited Arm Atomics Operations [XSA-295, CVE-2019-17349,\n  CVE-2019-17350] (rhbz#1720760)\n- fix HVM DomU boot on some chipsets\n- adjust grub2 workaround\n","status":"published","published":"2020-03-06T16:13:58Z","modified":"2026-04-16T04:42:08.790653739Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"SUSE-RU-2019:2715-1","title":"Recommended update for xen","description":"This update for xen to version 4.12.1 fixes the following issues:\n\n- Fixed an issue which made Xen crash on AMD ROME based machines (bsc#1135799).\n- Xenpvnetboot is now ported correctly to Python 3 (bsc#1138563).\n- Added code to change LIBXL_HOTPLUG_TIMEOUT at runtime (bsc#1120095). \n  The included README has details about the impact of this change\n- Fixed an issue where the speculative mitigation facilities reported wrong status (bsc#1143563).\n- Fixed an issue where Xen could not connect socket to /var/run/libvirt/libvirt-sock (bsc#1137471).\n- Fixed an HPS bug which did not allow to install Windows Server 2016 with 2 CPUs setting or above\n  (bsc#1137717).\n- Fixed a segmentation fault in Libvrtd during live migration to a VM (bsc#1145774). \n- LTO is now disabled (bsc#1133296).\n- Fixed an issue where Xen could not pre-allocate 1 shadow page (bsc#1145240).\n","status":"published","published":"2019-10-18T14:21:34Z","modified":"2025-05-02T04:07:36.742739Z","updated_at":"2026-11-02T15:53:41.276824Z"}]}}