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{"acknowledgement": "Red Hat would like to thank Xen for reporting this issue.", "bugzilla": {"description": "kernel: xen: Missing privilege level checks in x86 HLT, LGDT, LIDT, and LMSW emulation (XSA-105)", "id": "1140266", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1140266"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "draft"}, "cwe": "CWE-862", "details": ["The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction."], "name": "CVE-2014-7155", "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": "2014-09-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2014-7155\nhttps://nvd.nist.gov/vuln/detail/CVE-2014-7155"], "statement": "Not vulnerable.\nThis issue did not affect the versions of the kernel-xen package as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Important"}