{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2012-2121",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The KVM implementation in the Linux kernel before 3.3.4 does not properly manage the relationships between memory slots and the iommu, which allows guest OS users to cause a denial of service (memory leak and host OS crash) by leveraging administrative access to the guest OS to conduct hotunplug and hotplug operations on devices."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://www.ubuntu.com/usn/USN-2036-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/USN-2036-1"
            },
            {
                "url": "http://www.ubuntu.com/usn/USN-2037-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/USN-2037-1"
            },
            {
                "url": "http://secunia.com/advisories/50732",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/50732"
            },
            {
                "url": "http://www.ubuntu.com/usn/USN-1577-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/USN-1577-1"
            },
            {
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0743.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2012-0743.html"
            },
            {
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0676.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2012-0676.html"
            },
            {
                "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4",
                "refsource": "MISC",
                "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.4"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2012/04/19/16",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2012/04/19/16"
            },
            {
                "url": "http://www.securitytracker.com/id?1027083",
                "refsource": "MISC",
                "name": "http://www.securitytracker.com/id?1027083"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/09ca8e1173bcb12e2a449698c9ae3b86a8a10195"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814149",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=814149"
            }
        ]
    }
}