{"id":"SUSE-SU-2026:4942-1","summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\n- CVE-2026-79608: x86/AMD: ineffectual Zenbleed workaround (bsc#1283317).\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","modified":"2026-10-31T18:00:03.930410439Z","published":"2026-10-29T16:29:02Z","related":["CVE-2026-102700","CVE-2026-79608","CVE-2026-79609","CVE-2026-79610","CVE-2026-79611"],"upstream":["CVE-2026-102700","CVE-2026-79608","CVE-2026-79609","CVE-2026-79610","CVE-2026-79611"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264942-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1283317"},{"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":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-102700"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-79608"},{"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 Module for Basesystem 15 SP7","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.4_06-150700.3.49.2"}]}],"ecosystem_specific":{"binaries":[{"xen-libs":"4.20.4_06-150700.3.49.2","xen-tools-domU":"4.20.4_06-150700.3.49.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4942-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15 SP7","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.4_06-150700.3.49.2"}]}],"ecosystem_specific":{"binaries":[{"xen-tools":"4.20.4_06-150700.3.49.2","xen-tools-xendomains-wait-disk":"4.20.4_06-150700.3.49.2","xen":"4.20.4_06-150700.3.49.2","xen-devel":"4.20.4_06-150700.3.49.2"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:4942-1.json"}}],"schema_version":"1.9.2"}