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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "bugzilla": {"description": "xen: PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests", "id": "1058395", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1058395"}, "csaw": false, "cvss": {"cvss_base_score": "6.5", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:C/I:C/A:C", "status": "draft"}, "details": ["The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors."], "name": "CVE-2014-1666", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2014-01-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-1666\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-1666"], "statement": "Not vulnerable.\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 as we did not have support for Xen hypervisor.", "threat_severity": "Important"}