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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "bugzilla": {"description": "Kernel: Xen: Xsa-66: information leak through fbld instruction emulation", "id": "1009817", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1009817"}, "csaw": false, "cvss": {"cvss_base_score": "1.0", "cvss_scoring_vector": "AV:L/AC:H/Au:S/C:P/I:N/A:N", "status": "draft"}, "details": ["The fbld instruction emulation in Xen 3.3.x through 4.3.x does not use the correct variable for the source effective address, which allows local HVM guests to obtain hypervisor stack information by reading the values used by the instruction."], "name": "CVE-2013-4361", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "kernel-xen", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2013-09-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4361\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4361"], "statement": "This issue does not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.\nThis issue does not affect the versions of the Linux kernel package as shipped with Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG as it does not have support for Xen hypervisor.", "threat_severity": "Low"}