fkie_cve-2011-2519
Vulnerability from fkie_nvd
Published
2013-12-27 01:55
Modified
2025-04-11 00:51
Severity ?
Summary
Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
References
secalert@redhat.comhttp://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Third Party Advisory
secalert@redhat.comhttp://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644Patch, Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=718882Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2011-1212.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/08/30/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=718882Issue Tracking, Third Party Advisory
Impacted products
Vendor Product Version
xen xen *
redhat enterprise_linux_desktop 5.0
redhat enterprise_linux_server 5.0
redhat enterprise_linux_workstation 5.0


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0CDC1DBC-974B-47F9-A109-8743B57BBBA3",
              "versionEndExcluding": "3.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction."
    },
    {
      "lang": "es",
      "value": "Xen en el kernel de Linux, al ejecutar como invitado en una m\u00e1quina sin paginaci\u00f3n asistida por hardware (HAP), permite a usuarios invitados causar denegaci\u00f3n de servicio (referencia a puntero inv\u00e1lido y ca\u00edda del hipervisor) a trav\u00e9s de la instrucci\u00f3n SAHF."
    }
  ],
  "id": "CVE-2011-2519",
  "lastModified": "2025-04-11T00:51:21.963",
  "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": "2013-12-27T01:55:05.190",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2011/08/30/1"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=718882"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2011/08/30/1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/hg/xen-3.1-testing.hg/rev/15644"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=718882"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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