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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue.", "bugzilla": {"description": "xen: x86: broken check in memory_exchange() permits PV guest breakout (XSA-212)", "id": "1434741", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1434741"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.0", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "draft"}, "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."], "name": "CVE-2017-7228", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2017-04-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-7228\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7228\nhttp://xenbits.xen.org/xsa/advisory-212.html"], "threat_severity": "Important"}