{
  "id": "CVE-2011-2512",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2012-06-21T15:55:09.740",
  "lastModified": "2023-02-13T01:19:55.947",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The virtio_queue_notify in qemu-kvm 0.14.0 and earlier does not properly validate the virtqueue number, which allows guest users to cause a denial of service (guest crash) and possibly execute arbitrary code via a negative number in the Queue Notify field of the Virtio Header, which bypasses a signed comparison."
    },
    {
      "lang": "es",
      "value": "virtio_queue_notify en qemu-kvm v0.14.0 y anteriores no valida correctamente el n\u00famero virtqueue, lo que permite que los usuarios invitados puedan causar una denegaci\u00f3n de servicio y posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de un n\u00famero negativo en el campo 'Queue Notify' de la cabecera Virtio, lo cual se salta una comparaci\u00f3n de signo."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "ADJACENT_NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 6.5,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:kvm_group:qemu-kvm:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "0.14.0",
              "matchCriteriaId": "A32F37FD-F3EC-44B6-B428-5E7F5E79A095"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:kvm_group:qemu-kvm:0.12:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7E67322-2B2B-450B-B16F-67673557F8E1"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://git.kernel.org/?p=virt/kvm/qemu-kvm.git%3Ba=commitdiff%3Bh=7157e2e23e89adcd436caeab31fdd6b47eded377",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2011-0919.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://ubuntu.com/usn/usn-1165-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/06/28/13",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/06/29/15",
      "source": "secalert@redhat.com",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://hermes.opensuse.org/messages/9605323",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.debian.org/security/2011/dsa-2270",
      "source": "secalert@redhat.com"
    }
  ]
}