CVE-2011-1751

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://secunia.com/advisories/44648", "name": "44648", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "https://github.com/nelhage/virtunoid", "name": "https://github.com/nelhage/virtunoid", "tags": [], "refsource": "MISC"}, {"url": "http://www.osvdb.org/73395", "name": "73395", "tags": [], "refsource": "OSVDB"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=699773", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=699773", "tags": [], "refsource": "MISC"}, {"url": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/", "name": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/", "tags": [], "refsource": "MISC"}, {"url": "http://secunia.com/advisories/44393", "name": "44393", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/44458", "name": "44458", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "https://hermes.opensuse.org/messages/8572547", "name": "SUSE-SU-2011:0533", "tags": [], "refsource": "SUSE"}, {"url": "http://secunia.com/advisories/44660", "name": "44660", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/44900", "name": "44900", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0534.html", "name": "RHSA-2011:0534", "tags": [], "refsource": "REDHAT"}, {"url": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html", "name": "openSUSE-SU-2011:0510", "tags": [], "refsource": "SUSE"}, {"url": "http://secunia.com/advisories/44658", "name": "44658", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://www.openwall.com/lists/oss-security/2011/05/19/2", "name": "[oss-security] 20110519 CVE-2011-1751 qemu: acpi_piix4: missing hotplug check during device removal", "tags": [], "refsource": "MLIST"}, {"url": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html", "name": "[Qemu-devel] 20110519 [PATCH] Ignore pci unplug requests for unpluggable devices", "tags": [], "refsource": "MLIST"}, {"url": "http://www.securityfocus.com/bid/47927", "name": "47927", "tags": [], "refsource": "BID"}, {"url": "https://www.ubuntu.com/usn/USN-1145-1/", "name": "USN-1145-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca", "name": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "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": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-1751", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.4, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:S/C:C/I:C/A:C", "authentication": "SINGLE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 4.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2012-06-21T15:55Z", "configurations": {"nodes": [{"children": [], 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