{"schema_version":"1.7.3","id":"SUSE-SU-2026:0394-1","published":"2026-02-05T15:42:11Z","modified":"2026-02-07T14:00:14.638921Z","related":["CVE-2025-58149","CVE-2025-58150","CVE-2026-23553"],"upstream":["CVE-2025-58149","CVE-2025-58150","CVE-2026-23553"],"summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\nSecurity fixes:\n  \n- CVE-2025-58150: Fixed buffer overrun with shadow paging and \n  tracing (XSA-477) (bsc#1256745)\n- CVE-2026-23553: Fixed incomplete IBPB for vCPU isolation \n  (XSA-479) (bsc#1256747)\n- CVE-2025-58149: Fixed incorrect removal od permissions on PCI\n  device unplug allow PV guests to access memory of devices no \n  longer assigned to it (XSA-476) (bsc#1252692)\n\nOther fixes:\n\n- Fixed virtxend service restart. Caused by a failure to start \n  xenstored (bsc#1254180)\n","affected":[{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Micro 5.3","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.7_06-150400.4.78.1"}]}],"ecosystem_specific":{"binaries":[{"xen-libs":"4.16.7_06-150400.4.78.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0394-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Micro 5.4","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.16.7_06-150400.4.78.1"}]}],"ecosystem_specific":{"binaries":[{"xen-libs":"4.16.7_06-150400.4.78.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:0394-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260394-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1252692"},{"type":"REPORT","url":"https://bugzilla.suse.com/1254180"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256745"},{"type":"REPORT","url":"https://bugzilla.suse.com/1256747"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-58149"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-58150"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-23553"}]}