{"schemaVersion":3,"id":"SUSE-SU-2021:3813-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for xen\n\nThis update for xen fixes the following issues:\n\n- CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on misaligned GFNs (XSA-388) (bsc#1192557).\n- CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559).\n- CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554).","dates":{"published":"2021-11-29T11:15:02.000Z","modified":"2026-02-04T04:22:07.317Z","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 Server 12 SP2-BCL","name":"xen","label":"xen&distro=SUSE Linux Enterprise Server 12 SP2-BCL","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/xen&distro=SUSE Linux Enterprise Server 12 SP2-BCL","purlType":"rpm","versions":[{"text":"< 4.7.6_18-43.82.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.7.6_18-43.82.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213813-1/","label":"www.suse.com/support/update/announcement/2021/suse-su-20213813-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1192554","label":"bugzilla.suse.com/1192554","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1192557","label":"bugzilla.suse.com/1192557","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1192559","label":"bugzilla.suse.com/1192559","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28704","label":"www.suse.com/security/cve/CVE-2021-28704","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28705","label":"www.suse.com/security/cve/CVE-2021-28705","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28706","label":"www.suse.com/security/cve/CVE-2021-28706","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28707","label":"www.suse.com/security/cve/CVE-2021-28707","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28708","label":"www.suse.com/security/cve/CVE-2021-28708","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28709","label":"www.suse.com/security/cve/CVE-2021-28709","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2021-28704","CVE-2021-28705","CVE-2021-28706","CVE-2021-28707","CVE-2021-28708","CVE-2021-28709"],"downstream":[],"duplicates":[],"related":["CVE-2021-28704","CVE-2021-28705","CVE-2021-28706","CVE-2021-28707","CVE-2021-28708","CVE-2021-28709"]},"timeline":[{"kind":"published","date":"2021-11-29T11:15:02.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T04:22:07.317Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T14:09:36.279Z","stale":false,"partial":false}}