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FKIE_CVE-2011-2901

Vulnerability from fkie_nvd - Published: 2013-10-01 17:55 - Updated: 2026-06-16 23:32
Severity
Summary
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.
References
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2011-1212.html
secalert@redhat.comhttp://secunia.com/advisories/55082
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-201309-24.xml
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/09/02/2
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=728042
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2011-1212.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/55082
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201309-24.xml
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/09/02/2
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=728042
Impacted products
Vendor Product Version
xen xen *
xen xen 3.0.2
xen xen 3.0.3
xen xen 3.0.4
xen xen 3.1.3
xen xen 3.1.4
xen xen 3.2.0
xen xen 3.2.1
xen xen 3.2.2
xen xen 3.2.3
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
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              "versionEndIncluding": "3.3.0",
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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "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": "2026-06-16T23:32:12.973",
  "metrics": {
    "cvssMetricV2": [
      {
        "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"
        },
        "exploitabilityScore": 5.1,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2013-10-01T17:55:02.960",
  "references": [
    {
      "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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      "source": "secalert@redhat.com",
      "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
    },
    {
      "source": "secalert@redhat.com",
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    },
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      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"
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    {
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      "url": "http://secunia.com/advisories/55082"
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      "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=728042"
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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