{"schemaVersion":3,"id":"SUSE-SU-2017:2856-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for xen\n\nThis update for xen fixes several issues:\n\nThese security issues were fixed:\n\n- CVE-2017-5526: The ES1370 audio device emulation support was vulnerable to a\n  memory leakage issue allowing a privileged user inside the guest to cause a DoS\n  and/or potentially crash the Qemu process on the host (bsc#1059777)\n- CVE-2017-15593: Missing cleanup in the page type system allowed a malicious or\n  buggy PV guest to cause DoS (XSA-242 bsc#1061084)\n- CVE-2017-15592: A problem in the shadow pagetable code allowed a malicious or\n  buggy HVM guest to cause DoS or cause hypervisor memory corruption potentially\n  allowing the guest to escalate its privilege (XSA-243 bsc#1061086)\n- CVE-2017-15594: Problematic handling of the selector fields in the Interrupt\n  Descriptor Table (IDT) allowed a malicious or buggy x86 PV guest to escalate\n  its privileges or cause DoS (XSA-244 bsc#1061087)\n- CVE-2017-15589: Intercepted I/O write operations with less than a full machine\n  word's worth of data were not properly handled, which allowed a malicious\n  unprivileged x86 HVM guest to obtain sensitive information from the host or\n  other guests (XSA-239 bsc#1061080)\n- CVE-2017-15595: In certain configurations of linear page tables a stack overflow\n  might have occured that allowed a malicious or buggy PV guest to cause DoS and\n  potentially privilege escalation and information leaks (XSA-240 bsc#1061081)\n- CVE-2017-15588: Under certain conditions x86 PV guests could have caused the\n  hypervisor to miss a necessary TLB flush for a page. This allowed a malicious\n  x86 PV guest to access all of system memory, allowing for privilege escalation,\n  DoS, and information leaks (XSA-241 bsc#1061082)\n- CVE-2017-15590: Multiple issues existed with the setup of PCI MSI interrupts\n  that allowed a malicious or buggy guest to cause DoS and potentially privilege\n  escalation and information leaks (XSA-237 bsc#1061076)","dates":{"published":"2017-10-26T10:37:26.000Z","modified":"2026-02-04T02:51:20.240Z","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-LTSS","name":"xen","label":"xen&distro=SUSE Linux Enterprise Server 12-LTSS","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/xen&distro=SUSE Linux Enterprise Server 12-LTSS","purlType":"rpm","versions":[{"text":"< 4.4.4_24-22.54.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 4.4.4_24-22.54.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2017/suse-su-20172856-1/","label":"www.suse.com/support/update/announcement/2017/suse-su-20172856-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1027519","label":"bugzilla.suse.com/1027519","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1059777","label":"bugzilla.suse.com/1059777","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061076","label":"bugzilla.suse.com/1061076","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061080","label":"bugzilla.suse.com/1061080","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061081","label":"bugzilla.suse.com/1061081","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061082","label":"bugzilla.suse.com/1061082","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061084","label":"bugzilla.suse.com/1061084","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061086","label":"bugzilla.suse.com/1061086","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1061087","label":"bugzilla.suse.com/1061087","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15588","label":"www.suse.com/security/cve/CVE-2017-15588","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15589","label":"www.suse.com/security/cve/CVE-2017-15589","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15590","label":"www.suse.com/security/cve/CVE-2017-15590","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15592","label":"www.suse.com/security/cve/CVE-2017-15592","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15593","label":"www.suse.com/security/cve/CVE-2017-15593","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15594","label":"www.suse.com/security/cve/CVE-2017-15594","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15595","label":"www.suse.com/security/cve/CVE-2017-15595","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5526","label":"www.suse.com/security/cve/CVE-2017-5526","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2017-15588","CVE-2017-15589","CVE-2017-15590","CVE-2017-15592","CVE-2017-15593","CVE-2017-15594","CVE-2017-15595","CVE-2017-5526"],"downstream":[],"duplicates":[],"related":["CVE-2017-15588","CVE-2017-15589","CVE-2017-15590","CVE-2017-15592","CVE-2017-15593","CVE-2017-15594","CVE-2017-15595","CVE-2017-5526"]},"timeline":[{"kind":"published","date":"2017-10-26T10:37:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T02:51:20.240Z","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":"2026-10-22T08:40:31.438Z","stale":false,"partial":false}}