{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"important"},"category":"csaf_security_advisory","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"Security update for xen","title":"Title of the patch"},{"category":"description","text":"This update for xen fixes the following issues:\n\n- bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286)\n- bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345)\n- bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346)\n- bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347)\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","title":"Description of the patch"},{"category":"details","text":"openSUSE-2020-1844","title":"Patchnames"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution 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Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.","title":"CVE description"}],"product_status":{"recommended":["openSUSE Leap 15.1:xen-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-doc-html-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-32bit-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.x86_64"]},"references":[{"category":"external","summary":"CVE-2020-27673","url":"https://www.suse.com/security/cve/CVE-2020-27673"},{"category":"external","summary":"SUSE Bug 1177411 for CVE-2020-27673","url":"https://bugzilla.suse.com/1177411"},{"category":"external","summary":"SUSE Bug 1184583 for CVE-2020-27673","url":"https://bugzilla.suse.com/1184583"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["openSUSE Leap 15.1:xen-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-doc-html-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-32bit-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.x86_64"]}],"scores":[{"cvss_v3":{"baseScore":6.2,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["openSUSE Leap 15.1:xen-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-devel-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-doc-html-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-32bit-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-libs-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-4.12.3_10-lp151.2.27.1.x86_64","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.i586","openSUSE Leap 15.1:xen-tools-domU-4.12.3_10-lp151.2.27.1.x86_64"]}],"threats":[{"category":"impact","date":"2020-11-05T19:26:09Z","details":"moderate"}],"title":"CVE-2020-27673"}]}