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{"acknowledgement": "Red Hat would like to thank Xen project for reporting this issue.", "affected_release": [{"advisory": "RHSA-2014:0108", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-371.4.1.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2014-01-29T00:00:00Z"}], "bugzilla": {"description": "kernel: xen: Lock order reversal between page allocation and grant table locks", "id": "1026243", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1026243"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:A/AC:H/Au:S/C:N/I:N/A:C", "status": "verified"}, "details": ["Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors."], "name": "CVE-2013-4494", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "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:/a:redhat:enterprise_mrg:2", "fix_state": "Not affected", "package_name": "realtime-kernel", "product_name": "Red Hat Enterprise MRG 2"}], "public_date": "2013-11-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2013-4494\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-4494"], "statement": "This issue did not affect Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2.", "threat_severity": "Moderate"}