« Volver al listado

CVE-2014-5146

Estado: ModificadaMedia (4.7)—

Ciertas operaciones de la virtualización MMU en Xen 4.2.x hasta 4.4.x anterior al patch xsa97-hap, cuando utiliza Hardware Assisted Paging (HAP), no son preferentes, lo que permite a huéspedes locales HVM causar una denegación de servicio (consumo de vcpu) mediante la invocación de estas operaciones, las cuales procesan cada página asignada a un huésped, una vulnerabilidad diferente a CVE-2014-5149.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Opensuse — OpensuseXEN — XEN

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2014-5146",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.7,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-08-22T14:55:08.283",
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/69198",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1030723",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-97.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/95234",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201504-04",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/69198",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1030723",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-97.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/95234",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201504-04",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5149."
    },
    {
      "lang": "es",
      "value": "Ciertas operaciones de la virtualización MMU en Xen 4.2.x hasta 4.4.x anterior al patch xsa97-hap, cuando utiliza Hardware Assisted Paging (HAP), no son preferentes, lo que permite a huéspedes locales HVM causar una denegación de servicio (consumo de vcpu) mediante la invocación de estas operaciones, las cuales procesan cada página asignada a un huésped, una vulnerabilidad diferente a CVE-2014-5149."
    }
  ],
  "lastModified": "2026-06-17T00:11:07.340",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F"
            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8F0AF8EF-6FF6-4E22-B16E-82C9F90C6B00"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "47640819-FC43-49ED-8A77-728C3D7255B3"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2448537F-87AD-45C1-9FB0-7A49CA31BD76"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E36B2265-70E1-413B-A7CF-79D39E9ADCFB"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BF948E6A-07BE-4C7D-8A98-002E89D35F4D"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C0E23B94-1726-4F63-84BB-8D83FAB156D7"
            },
            {
              "criteria": "cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}