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{"acknowledgement": "Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Prgmr.com security team as the original reporter.", "bugzilla": {"description": "xen: Conflicts with shadow paging due to XSA-240 incomplete fix (XSA-280)", "id": "1652235", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1652235"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595."], "name": "CVE-2018-19966", "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": "2018-11-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-19966\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-19966"], "threat_severity": "Moderate"}