{"id":"CVE-2017-7228","details":"An issue (known as XSA-212) was discovered in Xen, with fixes available for 4.8.x, 4.7.x, 4.6.x, 4.5.x, and 4.4.x. The earlier XSA-29 fix introduced an insufficient check on XENMEM_exchange input, allowing the caller to drive hypervisor memory accesses outside of the guest provided input/output arrays.","modified":"2026-04-10T04:00:50.477117Z","published":"2017-04-04T14:59:00Z","related":["SUSE-SU-2017:0983-1","SUSE-SU-2017:1058-1","SUSE-SU-2017:1080-1","SUSE-SU-2017:1081-1"],"references":[{"type":"ADVISORY","url":"http://openwall.com/lists/oss-security/2017/04/04/3"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3847"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/97375"},{"type":"ADVISORY","url":"http://xenbits.xen.org/xsa/advisory-212.html"},{"type":"ADVISORY","url":"https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html"},{"type":"ARTICLE","url":"http://openwall.com/lists/oss-security/2017/04/04/3"},{"type":"ARTICLE","url":"https://googleprojectzero.blogspot.com/2017/04/pandavirtualization-exploiting-xen.html"},{"type":"FIX","url":"http://xenbits.xen.org/xsa/advisory-212.html"},{"type":"WEB","url":"http://www.securitytracker.com/id/1038223"},{"type":"WEB","url":"https://github.com/QubesOS/qubes-secpack/blob/master/QSBs/qsb-029-2017.txt"},{"type":"WEB","url":"https://www.exploit-db.com/exploits/41870/"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"}]}