{"id":"SUSE-SU-2026:5140-1","summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding (bsc#1276838).\n- CVE-2026-79602: x86: improper handling of HVM emulation return codes (bsc#1276839).\n- CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing (bsc#1276841).\n- CVE-2026-79609: x86: XPTI may break on huge-memory systems (bsc#1283321).\n- CVE-2026-79610: grant-table: double version change race (bsc#1283322).\n- CVE-2026-79611: VMX: VMentry failure with branch tracing and blocked states (bsc#1283323).\n- CVE-2026-102700: gnttab: cache-flush handling may cause page reference leak (bsc#1283325).\n- CVE-2026-102703,CVE-2026-102704: arbitrary read/write via grant copy (bsc#1288663).\n\nNon security issue fixed:\n\n- Update to Xen 4.18.6 security bug fix release (bsc#1027519).\n","modified":"2026-11-10T13:15:07.782924083Z","published":"2026-11-09T13:24:47Z","related":["CVE-2026-102700","CVE-2026-102703","CVE-2026-102704","CVE-2026-62437","CVE-2026-79602","CVE-2026-79603","CVE-2026-79609","CVE-2026-79610","CVE-2026-79611"],"upstream":["CVE-2026-102700","CVE-2026-102703","CVE-2026-102704","CVE-2026-62437","CVE-2026-79602","CVE-2026-79603","CVE-2026-79609","CVE-2026-79610","CVE-2026-79611"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20265140-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1027519"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276838"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276839"},{"type":"REPORT","url":"https://bugzilla.suse.com/1276841"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283321"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283322"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283323"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283325"},{"type":"REPORT","url":"https://bugzilla.suse.com/1288663"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-102700"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-102703"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-102704"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-62437"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79602"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79603"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79609"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79610"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79611"}],"affected":[{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.6_03-150600.3.56.1"}]}],"ecosystem_specific":{"binaries":[{"xen-tools-domU":"4.18.6_03-150600.3.56.1","xen-tools-xendomains-wait-disk":"4.18.6_03-150600.3.56.1","xen":"4.18.6_03-150600.3.56.1","xen-devel":"4.18.6_03-150600.3.56.1","xen-libs":"4.18.6_03-150600.3.56.1","xen-tools":"4.18.6_03-150600.3.56.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:5140-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.6_03-150600.3.56.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.18.6_03-150600.3.56.1","xen-devel":"4.18.6_03-150600.3.56.1","xen-libs":"4.18.6_03-150600.3.56.1","xen-tools":"4.18.6_03-150600.3.56.1","xen-tools-domU":"4.18.6_03-150600.3.56.1","xen-tools-xendomains-wait-disk":"4.18.6_03-150600.3.56.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:5140-1.json"}}],"schema_version":"1.9.2"}