{"schema_version":"1.7.3","id":"SUSE-SU-2021:3977-1","published":"2021-12-09T10:05:29Z","modified":"2026-02-04T03:03:32.175208Z","related":["CVE-2021-28701","CVE-2021-28702","CVE-2021-28704","CVE-2021-28705","CVE-2021-28706","CVE-2021-28707","CVE-2021-28708","CVE-2021-28709"],"upstream":["CVE-2021-28701","CVE-2021-28702","CVE-2021-28704","CVE-2021-28705","CVE-2021-28706","CVE-2021-28707","CVE-2021-28708","CVE-2021-28709"],"summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\n- CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).\n- CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly (XSA-386) (bsc#1191363).\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).\n\n- Upstream bug fixes (bsc#1027519)\n","affected":[{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-BCL","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-LTSS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP1","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Enterprise Storage 6","purl":"pkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%206"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.12.4_16-3.57.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.12.4_16-3.57.1","xen-devel":"4.12.4_16-3.57.1","xen-libs":"4.12.4_16-3.57.1","xen-tools":"4.12.4_16-3.57.1","xen-tools-domU":"4.12.4_16-3.57.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:3977-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213977-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1027519"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189632"},{"type":"REPORT","url":"https://bugzilla.suse.com/1191363"},{"type":"REPORT","url":"https://bugzilla.suse.com/1192554"},{"type":"REPORT","url":"https://bugzilla.suse.com/1192557"},{"type":"REPORT","url":"https://bugzilla.suse.com/1192559"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28701"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28702"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28704"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28705"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28706"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28707"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28708"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28709"}]}