{"id":"CVE-2017-18030","aliases":["BELL-CVE-2017-18030","DEBIAN-CVE-2017-18030","DLA-1497-1","EUVD-2017-9170","GHSA-8v4h-p9x9-5mm5","SUSE-SU-2018:0438-1","SUSE-SU-2018:0472-1","SUSE-SU-2018:0601-1","SUSE-SU-2018:0609-1","SUSE-SU-2018:0638-1","SUSE-SU-2018:0678-1","SUSE-SU-2018:0831-1","SUSE-SU-2018:1077-1","SUSE-SU-2018:1308-1","UBUNTU-CVE-2017-18030"],"status":"published","title":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest...","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00397,"percentile":0.34123,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2018-01-23T18:00:00Z","modified":"2026-10-24T10:30:52Z","fixes":[{"ecosystem":"Debian:12","package":"qemu","fixed_in":["1:2.8+dfsg-4"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"qemu","fixed_in":["1:2.8+dfsg-4"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"qemu","fixed_in":["1:2.8+dfsg-4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.8+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.8+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.8+dfsg-4"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.1+dfsg-12+deb8u7"}]}],"versions":["1:2.1+dfsg-11","1:2.1+dfsg-12","1:2.1+dfsg-12+deb8u1","1:2.1+dfsg-12+deb8u2","1:2.1+dfsg-12+deb8u3","1:2.1+dfsg-12+deb8u4","1:2.1+dfsg-12+deb8u4~bpo70+1","1:2.1+dfsg-12+deb8u5","1:2.1+dfsg-12+deb8u5a","1:2.1+dfsg-12+deb8u5a~bpo70+1","1:2.1+dfsg-12+deb8u6","1:2.1+dfsg-12~bpo70+1"],"bundled":52},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1_08-3.26.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1_08-3.26.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1_08-3.26.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.1_08-3.26.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP2","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.4_06-43.24.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 12 SP2","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.4_06-43.24.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.4_06-43.24.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.4_06-43.24.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12-LTSS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4_28-22.62.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:OpenStack Cloud 6","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5_24-22.43.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP1","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5_24-22.43.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP1-LTSS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.5_24-22.43.1"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Software Development Kit 11 SP4","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4_28-61.23.2"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4_28-61.23.2"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4_28-61.23.2"}]}],"bundled":10},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Point of Sale 11 SP3","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.5_21-45.19.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP3-LTSS","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.5_21-45.19.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP2","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.2-41.37.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.2-41.37.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP2","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.2-41.37.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP2","package":"qemu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.2-41.37.1"}]}],"bundled":9},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP4","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-60.9.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 11 SP4","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-60.9.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Point of Sale 11 SP3","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-53.17.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP3-LTSS","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-53.17.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 11 SP3-TERADATA","package":"kvm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.2-53.17.1"}]}],"bundled":4}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"qemu","product":"qemu"}],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2018/01/15/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","report"]},{"url":"http://www.securityfocus.com/bid/102520","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=f153b563f8cf121aebf5a2fff5f0110faf58ccb3","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18030"},{"url":"https://git.qemu.org/?p=qemu.git;a=commit;h=f153b563f8cf121aebf5a2fff5f0110faf58ccb3"},{"url":"https://github.com/advisories/GHSA-8v4h-p9x9-5mm5"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2017-18030","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-18030","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180438-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1027519","tags":["report"]},{"url":"https://bugzilla.suse.com/1035442","tags":["report"]},{"url":"https://bugzilla.suse.com/1051729","tags":["report"]},{"url":"https://bugzilla.suse.com/1061081","tags":["report"]},{"url":"https://bugzilla.suse.com/1067317","tags":["report"]},{"url":"https://bugzilla.suse.com/1068032","tags":["report"]},{"url":"https://bugzilla.suse.com/1070158","tags":["report"]},{"url":"https://bugzilla.suse.com/1070159","tags":["report"]},{"url":"https://bugzilla.suse.com/1070160","tags":["report"]},{"url":"https://bugzilla.suse.com/1070163","tags":["report"]},{"url":"https://bugzilla.suse.com/1074562","tags":["report"]},{"url":"https://bugzilla.suse.com/1076116","tags":["report"]},{"url":"https://bugzilla.suse.com/1076180","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15595","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17563","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17564","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17565","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18030","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5715","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5753","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5754","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5683","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180472-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180601-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1080635","tags":["report"]},{"url":"https://bugzilla.suse.com/1080662","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180609-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180638-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1031382","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180678-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1024307","tags":["report"]},{"url":"https://bugzilla.suse.com/1030144","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-11334","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5898","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7541","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180831-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1040202","tags":["report"]},{"url":"https://bugzilla.suse.com/1068613","tags":["report"]},{"url":"https://bugzilla.suse.com/1070144","tags":["report"]},{"url":"https://bugzilla.suse.com/1071228","tags":["report"]},{"url":"https://bugzilla.suse.com/1073489","tags":["report"]},{"url":"https://bugzilla.suse.com/1076114","tags":["report"]},{"url":"https://bugzilla.suse.com/1076179","tags":["report"]},{"url":"https://bugzilla.suse.com/1076775","tags":["report"]},{"url":"https://bugzilla.suse.com/1076814","tags":["report"]},{"url":"https://bugzilla.suse.com/1082276","tags":["report"]},{"url":"https://bugzilla.suse.com/1083291","tags":["report"]},{"url":"https://bugzilla.suse.com/1085598","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15124","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16845","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-17381","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-18043","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7550","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20181077-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20181308-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-18030","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-18030","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-18030","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2018-01-23T18:00:00Z","modified":"2024-08-05T21:06:50.133Z","updated_at":"2026-11-02T14:33:21.747294Z"}],"euvd":[{"id":"EUVD-2017-9170","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2018-01-23T18:00:00Z","modified":"2024-08-05T21:06:50Z","updated_at":"2026-11-03T02:23:08.049216Z"}],"ghsa":[{"id":"GHSA-8v4h-p9x9-5mm5","title":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest...","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2022-05-13T01:16:20Z","modified":"2023-02-01T05:04:51Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:50:11.446996Z"}],"nvd":[{"id":"CVE-2017-18030","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2018-01-23T18:29:00.44Z","modified":"2026-06-17T01:12:04.41Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:13.257031Z"}],"osv":[{"id":"BELL-CVE-2017-18030","title":"CVE-2017-18030 does not affect BellSoft software","status":"withdrawn","published":"2018-01-23T18:29:00Z","modified":"2026-01-26T09:47:52.031785Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:14.137943Z"},{"id":"CVE-2017-18030","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2018-01-23T18:29:00.44Z","modified":"2026-10-24T10:30:52.958729786Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:05.486486Z"},{"id":"DEBIAN-CVE-2017-18030","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"published","published":"2018-01-23T18:29:00.44Z","modified":"2026-09-01T20:03:46.908996345Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:29.100767Z"},{"id":"UBUNTU-CVE-2017-18030","description":"The cirrus_invalidate_region function in hw/display/cirrus_vga.c in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch.","status":"withdrawn","published":"2018-01-23T18:29:00Z","modified":"2025-07-16T08:13:08.34492Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":4.4,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:14.977781Z"},{"id":"DLA-1497-1","title":"qemu - security update","status":"published","published":"2018-09-06T00:00:00Z","modified":"2026-03-09T01:23:01.174268Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"SUSE-SU-2018:0438-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n\nThese non-security issues were fixed:\n\n- bsc#1067317: pass cache=writeback|unsafe|directsync to qemu depending on the\n  libxl disk settings\n- bsc#1051729: Prevent invalid symlinks after install of SLES 12 SP2\n- bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100\n  seconds. If many domUs shutdown in parallel the backends couldn't keep up \n- bsc#1027519: Added several upstream patches\n  ","status":"published","published":"2018-02-14T09:58:26Z","modified":"2025-05-02T04:06:29.72509Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0472-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n\nThese non-security issues were fixed:\n\n- bsc#1051729: Prevent invalid symlinks after install of SLES 12 SP2\n- bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100\n  seconds. If many domUs shutdown in parallel the backends couldn't keep up\n- bsc#1027519: Added several upstream patches\n","status":"published","published":"2018-02-19T09:15:16Z","modified":"2026-02-04T04:12:13.460982Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0601-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- Added missing intermediate preemption checks for guest requesting removal of\n  memory. This allowed malicious guest administrator to cause denial of service\n  due to the high cost of this operation (bsc#1080635).\n- Because of XEN not returning the proper error messages when transitioning\n  grant tables from v2 to v1 a malicious guest was able to cause DoS or\n  potentially allowed for privilege escalation as well as information leaks\n  (bsc#1080662).\n\nThis non-security issue was fixed:\n\n- bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100\n  seconds. If many domUs shutdown in parallel the backends couldn't keep up\n\n- Upstream patches from Jan (bsc#1027519)\n","status":"published","published":"2018-03-05T09:40:56Z","modified":"2026-02-04T03:27:03.806103Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0609-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- Added missing intermediate preemption checks for guest requesting removal of\n  memory. This allowed malicious guest administrator to cause denial of service\n  due to the high cost of this operation (bsc#1080635).\n- Because of XEN not returning the proper error messages when transitioning\n  grant tables from v2 to v1 a malicious guest was able to cause DoS or\n  potentially allowed for privilege escalation as well as information leaks\n  (bsc#1080662).\n\nThis non-security issue was fixed:\n\n- bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100\n  seconds. If many domUs shutdown in parallel the backends couldn't keep up\n","status":"published","published":"2018-03-05T16:46:43Z","modified":"2026-02-04T03:00:50.759468Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0638-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThis new feature was included:\n\n- add script and sysv service to watch for vcpu online/offline events in a HVM domU\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- Added missing intermediate preemption checks for guest requesting removal of\n  memory. This allowed malicious guest administrator to cause denial of service\n  due to the high cost of this operation (bsc#1080635).\n- Because of XEN not returning the proper error messages when transitioning\n  grant tables from v2 to v1 a malicious guest was able to cause DoS or\n  potentially allowed for privilege escalation as well as information leaks\n  (bsc#1080662).\n\nThese non-security issues were fixed:\n\n- bsc#1035442: Increased the value of LIBXL_DESTROY_TIMEOUT from 10 to 100\n  seconds. If many domUs shutdown in parallel the backends couldn't keep up\n- bsc#1031382: Prevent VMs from crashing when migrating between dom0 hosts in\n  case read() returns zero on the receiver side.\n","status":"published","published":"2018-03-08T17:07:37Z","modified":"2026-02-04T03:19:59.97033Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0678-1","title":"Security update for xen","description":"This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-5753, CVE-2017-5715, CVE-2017-5754: Prevent information leaks via\n  side effects of speculative execution, aka 'Spectre' and 'Meltdown' attacks\n  (bsc#1074562, bsc#1068032)\n- CVE-2018-5683: The vga_draw_text function allowed local OS guest privileged\n  users to cause a denial of service (out-of-bounds read and QEMU process crash)\n  by leveraging improper memory address validation (bsc#1076116).\n- CVE-2017-18030: The cirrus_invalidate_region function allowed local OS guest\n  privileged users to cause a denial of service (out-of-bounds array access and\n  QEMU process crash) via vectors related to negative pitch (bsc#1076180).\n- CVE-2017-15595: x86 PV guest OS users were able to cause a DoS (unbounded\n  recursion, stack consumption, and hypervisor crash) or possibly gain privileges\n  via crafted page-table stacking (bsc#1061081)\n- CVE-2017-17566: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) or gain host OS privileges in shadow mode by mapping a certain\n  auxiliary page (bsc#1070158).\n- CVE-2017-17563: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging an incorrect mask for\n  reference-count overflow checking in shadow mode (bsc#1070159).\n- CVE-2017-17564: Prevent guest OS users to cause a denial of service (host OS\n  crash) or gain host OS privileges by leveraging incorrect error handling for\n  reference counting in shadow mode (bsc#1070160).\n- CVE-2017-17565: Prevent PV guest OS users to cause a denial of service (host\n  OS crash) if shadow mode and log-dirty mode are in place, because of an\n  incorrect assertion related to M2P (bsc#1070163).\n- Added missing intermediate preemption checks for guest requesting removal of\n  memory. This allowed malicious guest administrator to cause denial of service\n  due to the high cost of this operation (bsc#1080635).\n- Because of XEN not returning the proper error messages when transitioning\n  grant tables from v2 to v1 a malicious guest was able to cause DoS or\n  potentially allowed for privilege escalation as well as information leaks\n  (bsc#1080662).\n- CVE-2017-5898: The CCID Card device emulator support was vulnerable to an\n  integer overflow flaw allowing a privileged user to crash the Qemu process on\n  the host resulting in DoS (bsc#1024307)\n- Unprivileged domains could have issued well-timed writes to xenstore which\n  conflict with transactions to stall progress of the control domain or driver\n  domain, possibly leading to DoS (bsc#1030144, XSA-206).\n","status":"published","published":"2018-03-14T17:37:06Z","modified":"2026-02-04T03:15:35.836035Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0831-1","title":"Security update for qemu","description":"\n  \nThis update for qemu fixes the following issues:\n\nThis update has the next round of Spectre v2 related patches, which\nnow integrate with corresponding changes in libvirt. (CVE-2017-5715\nbsc#1068032)\n\nThe January 2018 release of qemu initially addressed the Spectre v2\nvulnerability for KVM guests by exposing the spec-ctrl feature\nfor all x86 vcpu types, which was the quick and dirty approach,\nbut not the proper solution.\n\nWe replaced our initial patch by the patches from upstream.\n\nThis update defines spec_ctrl and ibpb cpu feature flags as well as new\ncpu models which are clones of existing models with either -IBRS or -IBPB\nadded to the end of the model name. These new vcpu models explicitly\ninclude the new feature(s), whereas the feature flags can be added\nto the cpu parameter as with other features. In short, for continued\nSpectre v2 protection, ensure that either the appropriate cpu feature\nflag is added to the QEMU command-line, or one of the new cpu models is\nused.\n\nAlthough migration from older versions is supported, the new cpu\nfeatures won't be properly exposed to the guest until it is restarted\nwith the cpu features explicitly added. A reboot is insufficient.\n\nA warning patch is added which attempts to detect a migration\nfrom a qemu version which had the quick and dirty fix (it only\ndetects certain cases, but hopefully is helpful.)\nFor additional information on Spectre v2 as it relates to QEMU,\nsee:\n\thttps://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/\n\nA patch is added to continue to detect Spectre v2 mitigation\nfeatures (as shown by cpuid), and if found provide that feature\nto guests, even if running on older KVM (kernel) versions which\ndo not yet expose that feature to QEMU. (bsc#1082276)\n\nThese two patches will be removed when we can reasonably assume\neveryone is running with the appropriate updates.\n\n\nAlso security fixes for the following CVE issues are included:\n\n- CVE-2017-15119: The Network Block Device (NBD) server in Quick Emulator (QEMU), was vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS. (bsc#1070144)\n- CVE-2017-15124: VNC server implementation in Quick Emulator (QEMU) was found to be vulnerable to an unbounded memory allocation issue, as it did not throttle the framebuffer updates sent to its client. If the client did not consume these updates, VNC server allocates growing memory to hold onto this data. A malicious remote VNC client could use this flaw to cause DoS to the server host. (bsc#1073489)\n- CVE-2017-16845: The PS2 driver in Qemu did not validate 'rptr' and 'count' values during guest migration, leading to out-of-bounds access. (bsc#1068613)\n- CVE-2017-17381: The Virtio Vring implementation in QEMU allowed local OS guest users to cause a denial of service (divide-by-zero error and QEMU process crash) by unsetting vring alignment while updating Virtio rings. (bsc#1071228)\n- CVE-2017-18030: A problem in the Cirrus driver in Qemu allowed local OS guest privileged users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors related to negative pitch. (bsc#1076179)\n- CVE-2017-18043: Integer overflow in the macro ROUND_UP (n, d) in Quick Emulator (Qemu) allowed a user to cause a denial of service (Qemu process crash). (bsc#1076775)\n- CVE-2018-5683: The VGA driver in Qemu allowed local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation. (bsc#1076114)\n- CVE-2018-7550: The multiboot functionality in Quick Emulator (aka QEMU) allowed local guest OS users to execute arbitrary code on the QEMU host via an out-of-bounds read or write memory access. (bsc#1083291)  \n\nAlso the following bugs were fixed:\n\n- Eliminate bogus use of CPUID_7_0_EDX_PRED_CMD which we've\n  carried since the initial Spectre v2 patch was added. EDX bit\n  27 of CPUID Leaf 07H, Sub-leaf 0 provides status on STIBP, and\n  not the PRED_CMD MSR. Exposing the STIBP CPUID feature bit to the\n  guest is wrong in general, since the VM doesn't directly control\n  the scheduling of physical hyperthreads. This is left strictly to\n  the L0 hypervisor.\n\n- Spectre fixes for IBM Z series by providing more hw features to guests\n  (bsc#1076814)\n- Pre-add group kvm for qemu-tools (bsc#1040202)\n- the qemu-tools package also needs a prerequire of group management\n  tools, from the shadow package. (bsc#1085598)\n\n\n","status":"published","published":"2018-03-27T14:28:56Z","modified":"2026-02-04T03:59:03.989751Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:1077-1","title":"Security update for kvm","description":"This update for kvm fixes the following issues:\n\n- This update has the next round of Spectre v2 related patches,\n  which now integrates with corresponding changes in libvirt. A\n  January 2018 release of qemu initially addressed the Spectre v2\n  vulnerability for KVM guests by exposing the spec-ctrl feature\n  for all x86 vcpu types, which was the quick and dirty approach,\n  but not the proper solution. We remove that initial patch and now\n  rely on patches from upstream. This update defines spec_ctrl and\n  ibpb cpu feature flags as well as new cpu models which are clones\n  of existing models with either -IBRS or -IBPB added to the end of\n  the model name. These new vcpu models explicitly include the new\n  feature(s), whereas the feature flags can be added to the cpu\n  parameter as with other features. In short, for continued Spectre\n  v2 protection, ensure that either the appropriate cpu feature\n  flag is added to the QEMU command-line, or one of the new cpu\n  models is used. Although migration from older versions is\n  supported, the new cpu features won't be properly exposed to the\n  guest until it is restarted with the cpu features explicitly\n  added. A reboot is insufficient.\n- A warning patch is added which attempts to detect a migration\n  from a qemu version which had the quick and dirty fix (it only\n  detects certain cases, but hopefully is helpful.)\n  For additional information on Spectre v2 as it relates to QEMU,\n  see: https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/\n  (CVE-2017-5715 bsc#1068032)\n- A patch is added to continue to detect Spectre v2 mitigation\n  features (as shown by cpuid), and if found provide that feature\n  to guests, even if running on older KVM (kernel) versions which\n  do not yet expose that feature to QEMU. (bsc#1082276)\n  These two patches will be removed when we can reasonably assume\n  everyone is running with the appropriate updates.\n\n- Security fixes for the following CVE issues:\n  (bsc#1076114 CVE-2018-5683)\n  (bsc#1083291 CVE-2018-7550)\n- This patch is already included, add here for CVE track\n  (bsc#1076179 CVE-2017-18030)\n\n- Toolchain changes have cause the built size of pxe-virtio.rom to\n  exceed 64K. Tweak rarely used strings in code to reduce size of\n  the binary so it fits again.\n\n- Eliminate bogus use of CPUID_7_0_EDX_PRED_CMD which we've\n  carried since the initial Spectre v2 patch was added. EDX bit\n  27 of CPUID Leaf 07H, Sub-leaf 0 provides status on STIBP, and\n  not the PRED_CMD MSR. Exposing the STIBP CPUID feature bit to the\n  guest is wrong in general, since the VM doesn't directly control\n  the scheduling of physical hyperthreads. This is left strictly to\n  the L0 hypervisor.\n","status":"published","published":"2018-04-25T12:14:56Z","modified":"2026-02-04T02:16:27.890731Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:1308-1","title":"Security update for kvm","description":"\n  \nThis update for kvm fixes the following issues:\n\nThis update has the next round of Spectre v2 related patches,\nwhich now integrates with corresponding changes in libvirt. A\nJanuary 2018 release of qemu initially addressed the Spectre v2\nvulnerability for KVM guests by exposing the spec-ctrl feature\nfor all x86 vcpu types, which was the quick and dirty approach,\nbut not the proper solution. We remove that initial patch and now\nrely on patches from upstream. This update defines spec_ctrl and\nibpb cpu feature flags as well as new cpu models which are clones\nof existing models with either -IBRS or -IBPB added to the end of\nthe model name. These new vcpu models explicitly include the new\nfeature(s), whereas the feature flags can be added to the cpu\nparameter as with other features. In short, for continued Spectre\nv2 protection, ensure that either the appropriate cpu feature\nflag is added to the QEMU command-line, or one of the new cpu\nmodels is used. Although migration from older versions is\nsupported, the new cpu features won't be properly exposed to the\nguest until it is restarted with the cpu features explicitly\nadded. A reboot is insufficient.\n\nA warning patch is added which attempts to detect a migration\nfrom a qemu version which had the quick and dirty fix (it only\ndetects certain cases, but hopefully is helpful.)\n\nFor additional information on Spectre v2 as it relates to QEMU,\nsee:\n\thttps://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/\n\n(CVE-2017-5715 bsc#1068032)\n\nA patch is added to continue to detect Spectre v2 mitigation\nfeatures (as shown by cpuid), and if found provide that feature\nto guests, even if running on older KVM (kernel) versions which\ndo not yet expose that feature to QEMU. (bsc#1082276)\n\nAdditional security fixes:\n\n- CVE-2018-5683: An out-of-bounds read in vga_draw_text routine was fixed which could lead to crashes or information leakage. (bsc#1076114)\n- CVE-2018-7550: multiboot OOB access while loading kernel image was fixed that could lead to crashes (bsc#1083291)\n- CVE-2017-18030: An out-of-bounds access in cirrus_invalidate_region routine could lead to crashes or information leakage (bsc#1076179)\n\n- Eliminate bogus use of CPUID_7_0_EDX_PRED_CMD which we've\n  carried since the initial Spectre v2 patch was added. EDX bit\n  27 of CPUID Leaf 07H, Sub-leaf 0 provides status on STIBP, and\n  not the PRED_CMD MSR. Exposing the STIBP CPUID feature bit to the\n  guest is wrong in general, since the VM doesn't directly control\n  the scheduling of physical hyperthreads. This is left strictly to\n  the L0 hypervisor.\n","status":"published","published":"2018-05-16T13:59:32Z","modified":"2026-02-04T03:20:01.048225Z","updated_at":"2026-11-02T15:53:44.972817Z"}]}}