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  "descriptions": [
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      "lang": "en",
      "value": "Off-by-one error in the __addr_ok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service (host crash) via unspecified hypercalls that ignore virtual-address bits."
    },
    {
      "lang": "es",
      "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la macro __addr_ok en Xen 3.3 y anteriores permite a administradores invitados locales 64 bit PV causar una denegaci\u00f3n del servicio (ca\u00edda del host) a trav\u00e9s de hypercalls no especificadas que ignoran bits de direcciones virtuales."
    }
  ],
  "id": "CVE-2011-2901",
  "lastModified": "2024-11-21T01:29:14.157",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 5.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:C",
          "version": "2.0"
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        "exploitabilityScore": 5.1,
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        "obtainAllPrivilege": false,
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  "published": "2013-10-01T17:55:02.960",
  "references": [
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      "source": "secalert@redhat.com",
      "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/55082"
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}