{"schema_version":"1.7.3","id":"SUSE-SU-2020:14521-1","published":"2020-10-22T12:09:09Z","modified":"2026-02-04T04:01:17.164532Z","related":["CVE-2020-0543","CVE-2020-14364","CVE-2020-15565","CVE-2020-15567","CVE-2020-25595","CVE-2020-25596","CVE-2020-25597","CVE-2020-25600","CVE-2020-25601","CVE-2020-25603","CVE-2020-25604"],"upstream":["CVE-2020-0543","CVE-2020-14364","CVE-2020-15565","CVE-2020-15567","CVE-2020-25595","CVE-2020-25596","CVE-2020-25597","CVE-2020-25600","CVE-2020-25601","CVE-2020-25603","CVE-2020-25604"],"summary":"Security update for xen","details":"This update for xen fixes the following issues:\n\n- CVE-2020-0543: Fixed a leak of Special Register Buffer Data Sampling (SRBDS) aka 'CrossTalk' (bsc#1172205,XSA-320)\n- CVE-2020-14364: Fixed an out-of-bounds read/write access while processing usb packets (bsc#1175534).\n- CVE-2020-15565: Fixed an issue cache write (bsc#1173378,XSA-321).\n- CVE-2020-15567: Fixed an issue with non-atomic  modification of live EPT PTE (bsc#1173380,XSA-328)\n- CVE-2020-25595: Fixed an issue where PCI passthrough code was reading back hardware registers (bsc#1176344,XSA-337)\n- CVE-2020-25596: Fixed a potential denial of service in x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339)\n- CVE-2020-25597: Fixed an issue where a valid event channels may not turn invalid (bsc#1176346,XSA-338)\n- CVE-2020-25600: Fixed out of bounds event channels available to 32-bit x86 domains (bsc#1176348,XSA-342)\n- CVE-2020-25601: Fixed an issue due to lack of preemption in evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344)\t  \n- CVE-2020-25603: Fixed an issue due to  missing barriers when accessing/allocating an event channel (bsc#1176347,XSA-340)\n- CVE-2020-25604: Fixed a race condition when migrating timers between x86 \n  HVM vCPU-s (bsc#1176343,XSA-336)\n","affected":[{"package":{"name":"xen","ecosystem":"SUSE:Linux Enterprise Server 11 SP4-LTSS","purl":"pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.4_44-61.55.1"}]}],"ecosystem_specific":{"binaries":[{"xen":"4.4.4_44-61.55.1","xen-doc-html":"4.4.4_44-61.55.1","xen-kmp-default":"4.4.4_44_3.0.101_108.117-61.55.1","xen-kmp-pae":"4.4.4_44_3.0.101_108.117-61.55.1","xen-libs":"4.4.4_44-61.55.1","xen-libs-32bit":"4.4.4_44-61.55.1","xen-tools":"4.4.4_44-61.55.1","xen-tools-domU":"4.4.4_44-61.55.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2020:14521-1.json"}}],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2020/suse-su-202014521-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1172205"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173378"},{"type":"REPORT","url":"https://bugzilla.suse.com/1173380"},{"type":"REPORT","url":"https://bugzilla.suse.com/1175534"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176343"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176344"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176345"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176346"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176347"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176348"},{"type":"REPORT","url":"https://bugzilla.suse.com/1176350"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-0543"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-14364"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-15565"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-15567"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25595"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25596"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25597"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25600"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25601"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25603"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2020-25604"}]}