gsd-2011-1751
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
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."
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2011-1751",
    "description": "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.\"",
    "id": "GSD-2011-1751",
    "references": [
      "https://www.suse.com/security/cve/CVE-2011-1751.html",
      "https://www.debian.org/security/2011/dsa-2241",
      "https://access.redhat.com/errata/RHSA-2011:0534",
      "https://linux.oracle.com/cve/CVE-2011-1751.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2011-1751"
      ],
      "details": "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.\"",
      "id": "GSD-2011-1751",
      "modified": "2023-12-13T01:19:08.180368Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "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_affected": "=",
                          "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": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html",
            "refsource": "MISC",
            "url": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html"
          },
          {
            "name": "http://rhn.redhat.com/errata/RHSA-2011-0534.html",
            "refsource": "MISC",
            "url": "http://rhn.redhat.com/errata/RHSA-2011-0534.html"
          },
          {
            "name": "http://secunia.com/advisories/44393",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44393"
          },
          {
            "name": "http://secunia.com/advisories/44658",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44658"
          },
          {
            "name": "http://secunia.com/advisories/44660",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44660"
          },
          {
            "name": "http://secunia.com/advisories/44900",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44900"
          },
          {
            "name": "https://hermes.opensuse.org/messages/8572547",
            "refsource": "MISC",
            "url": "https://hermes.opensuse.org/messages/8572547"
          },
          {
            "name": "https://www.ubuntu.com/usn/USN-1145-1/",
            "refsource": "MISC",
            "url": "https://www.ubuntu.com/usn/USN-1145-1/"
          },
          {
            "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": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca",
            "refsource": "MISC",
            "url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca"
          },
          {
            "name": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html",
            "refsource": "MISC",
            "url": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html"
          },
          {
            "name": "http://secunia.com/advisories/44458",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44458"
          },
          {
            "name": "http://secunia.com/advisories/44648",
            "refsource": "MISC",
            "url": "http://secunia.com/advisories/44648"
          },
          {
            "name": "http://www.openwall.com/lists/oss-security/2011/05/19/2",
            "refsource": "MISC",
            "url": "http://www.openwall.com/lists/oss-security/2011/05/19/2"
          },
          {
            "name": "http://www.osvdb.org/73395",
            "refsource": "MISC",
            "url": "http://www.osvdb.org/73395"
          },
          {
            "name": "http://www.securityfocus.com/bid/47927",
            "refsource": "MISC",
            "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"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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            "operator": "OR"
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      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2011-1751"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "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.\""
            }
          ]
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        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-20"
                }
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        },
        "references": {
          "reference_data": [
            {
              "name": "44648",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44648"
            },
            {
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              "refsource": "MISC",
              "tags": [],
              "url": "https://github.com/nelhage/virtunoid"
            },
            {
              "name": "73395",
              "refsource": "OSVDB",
              "tags": [],
              "url": "http://www.osvdb.org/73395"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=699773",
              "refsource": "MISC",
              "tags": [],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=699773"
            },
            {
              "name": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/",
              "refsource": "MISC",
              "tags": [],
              "url": "http://blog.nelhage.com/2011/08/breaking-out-of-kvm/"
            },
            {
              "name": "44393",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44393"
            },
            {
              "name": "44458",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44458"
            },
            {
              "name": "SUSE-SU-2011:0533",
              "refsource": "SUSE",
              "tags": [],
              "url": "https://hermes.opensuse.org/messages/8572547"
            },
            {
              "name": "44660",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44660"
            },
            {
              "name": "44900",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44900"
            },
            {
              "name": "RHSA-2011:0534",
              "refsource": "REDHAT",
              "tags": [],
              "url": "http://rhn.redhat.com/errata/RHSA-2011-0534.html"
            },
            {
              "name": "openSUSE-SU-2011:0510",
              "refsource": "SUSE",
              "tags": [],
              "url": "http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html"
            },
            {
              "name": "44658",
              "refsource": "SECUNIA",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://secunia.com/advisories/44658"
            },
            {
              "name": "[oss-security] 20110519 CVE-2011-1751 qemu: acpi_piix4: missing hotplug check during device  removal",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://www.openwall.com/lists/oss-security/2011/05/19/2"
            },
            {
              "name": "[Qemu-devel] 20110519 [PATCH] Ignore pci unplug requests for unpluggable devices",
              "refsource": "MLIST",
              "tags": [],
              "url": "http://lists.nongnu.org/archive/html/qemu-devel/2011-05/msg01810.html"
            },
            {
              "name": "47927",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/47927"
            },
            {
              "name": "USN-1145-1",
              "refsource": "UBUNTU",
              "tags": [],
              "url": "https://www.ubuntu.com/usn/USN-1145-1/"
            },
            {
              "name": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca",
              "refsource": "MISC",
              "tags": [],
              "url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commit%3Bh=505597e4476a6bc219d0ec1362b760d71cb4fdca"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.4,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:A/AC:M/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 4.4,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2023-02-13T04:30Z",
      "publishedDate": "2012-06-21T15:55Z"
    }
  }
}


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