{"schemaVersion":3,"id":"SUSE-SU-2021:2943-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for xen\n\nThis update for xen fixes the following issues:\n\n- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429).\n- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433).\n- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434).\n\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).","dates":{"published":"2021-09-03T07:26:23.000Z","modified":"2026-02-04T03:59:51.547Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"xen&distro=SUSE Linux Enterprise High Performance Computing 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4.10.4_26-3.61.1","eol":null,"hubHref":null}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212943-1/","label":"www.suse.com/support/update/announcement/2021/suse-su-20212943-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1186429","label":"bugzilla.suse.com/1186429","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1186433","label":"bugzilla.suse.com/1186433","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1186434","label":"bugzilla.suse.com/1186434","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1189373","label":"bugzilla.suse.com/1189373","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1189376","label":"bugzilla.suse.com/1189376","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1189378","label":"bugzilla.suse.com/1189378","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1189380","label":"bugzilla.suse.com/1189380","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1189882","label":"bugzilla.suse.com/1189882","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2021-0089","label":"www.suse.com/security/cve/CVE-2021-0089","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28690","label":"www.suse.com/security/cve/CVE-2021-28690","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28692","label":"www.suse.com/security/cve/CVE-2021-28692","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28694","label":"www.suse.com/security/cve/CVE-2021-28694","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28695","label":"www.suse.com/security/cve/CVE-2021-28695","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28696","label":"www.suse.com/security/cve/CVE-2021-28696","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28697","label":"www.suse.com/security/cve/CVE-2021-28697","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28698","label":"www.suse.com/security/cve/CVE-2021-28698","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28699","label":"www.suse.com/security/cve/CVE-2021-28699","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-0089","CVE-2021-28690","CVE-2021-28692","CVE-2021-28694","CVE-2021-28695","CVE-2021-28696","CVE-2021-28697","CVE-2021-28698","CVE-2021-28699"],"downstream":[],"duplicates":[],"related":["CVE-2021-0089","CVE-2021-28690","CVE-2021-28692","CVE-2021-28694","CVE-2021-28695","CVE-2021-28696","CVE-2021-28697","CVE-2021-28698","CVE-2021-28699"]},"timeline":[{"kind":"published","date":"2021-09-03T07:26:23.000Z","label":"Published","detail":"Vulnerability 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