{"schema_version":"1.7.3","id":"SUSE-SU-2021:2957-1","published":"2021-09-06T08:34:19Z","modified":"2026-02-04T02:45:06.621847Z","related":["CVE-2021-0089","CVE-2021-20255","CVE-2021-28690","CVE-2021-28692","CVE-2021-28694","CVE-2021-28695","CVE-2021-28696","CVE-2021-28697","CVE-2021-28698","CVE-2021-28699","CVE-2021-3592","CVE-2021-3594","CVE-2021-3595"],"upstream":["CVE-2021-0089","CVE-2021-20255","CVE-2021-28690","CVE-2021-28692","CVE-2021-28694","CVE-2021-28695","CVE-2021-28696","CVE-2021-28697","CVE-2021-28698","CVE-2021-28699","CVE-2021-3592","CVE-2021-3594","CVE-2021-3595"],"summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\n- CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).\n- CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).\n- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).\n- CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)\n- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)\n- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)\n- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).\n\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).\n","affected":[{"package":{"name":"xen","ecosystem":"SUSE:HPE Helion OpenStack 8","purl":"pkg:rpm/suse/xen&distro=HPE%20Helion%20OpenStack%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:OpenStack Cloud 8","purl":"pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:OpenStack Cloud Crowbar 8","purl":"pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-LTSS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}},{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 12 SP3-BCL","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCL"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.9.4_20-3.91.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.9.4_20-3.91.1","xen-doc-html":"4.9.4_20-3.91.1","xen-libs":"4.9.4_20-3.91.1","xen-libs-32bit":"4.9.4_20-3.91.1","xen-tools":"4.9.4_20-3.91.1","xen-tools-domU":"4.9.4_20-3.91.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2021:2957-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212957-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1182654"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186429"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186433"},{"type":"REPORT","url":"https://bugzilla.suse.com/1186434"},{"type":"REPORT","url":"https://bugzilla.suse.com/1187369"},{"type":"REPORT","url":"https://bugzilla.suse.com/1187376"},{"type":"REPORT","url":"https://bugzilla.suse.com/1187378"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189373"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189376"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189378"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189380"},{"type":"REPORT","url":"https://bugzilla.suse.com/1189882"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-0089"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-20255"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28690"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28692"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28694"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28695"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28696"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28697"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28698"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-28699"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3592"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3594"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-3595"}]}