{
    "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2011-1751",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The pciej_write function in hw/acpi_piix4.c in the PIIX4 Power Management emulation in qemu-kvm does not check if a device is hotpluggable before unplugging the PCI-ISA bridge, which allows privileged guest users to cause a denial of service (guest crash) and possibly execute arbitrary code by sending a crafted value to the 0xae08 (PCI_EJ_BASE) I/O port, which leads to a use-after-free related to \"active qemu timers.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "[oss-security] 20110519 CVE-2011-1751 qemu: acpi_piix4: missing hotplug check during device  removal",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2011/05/19/2"
            },
            {
                "name": "RHSA-2011:0534",
                "refsource": "REDHAT",
                "url": "http://rhn.redhat.com/errata/RHSA-2011-0534.html"
            },
            {
                "name": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=505597e4476a6bc219d0ec1362b760d71cb4fdca",
                "refsource": "CONFIRM",
                "url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=505597e4476a6bc219d0ec1362b760d71cb4fdca"
            },
            {
                "name": "44648",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44648"
            },
            {
                "name": "73395",
                "refsource": "OSVDB",
                "url": "http://www.osvdb.org/73395"
            },
            {
                "name": "44393",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44393"
            },
            {
                "name": "44658",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44658"
            },
            {
                "name": "SUSE-SU-2011:0533",
                "refsource": "SUSE",
                "url": "https://hermes.opensuse.org/messages/8572547"
            },
            {
                "name": "[Qemu-devel] 20110519 [PATCH] Ignore pci unplug requests for unpluggable devices",
                "refsource": "MLIST",
                "url": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html"
            },
            {
                "name": "47927",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/47927"
            },
            {
                "name": "https://github.com/nelhage/virtunoid",
                "refsource": "MISC",
                "url": "https://github.com/nelhage/virtunoid"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=699773",
                "refsource": "MISC",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=699773"
            },
            {
                "name": "44458",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44458"
            },
            {
                "name": "44660",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44660"
            },
            {
                "name": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/",
                "refsource": "MISC",
                "url": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/"
            },
            {
                "name": "USN-1145-1",
                "refsource": "UBUNTU",
                "url": "https://www.ubuntu.com/usn/USN-1145-1/"
            },
            {
                "name": "44900",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/44900"
            },
            {
                "name": "openSUSE-SU-2011:0510",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html"
            }
        ]
    }
}