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CVE-2007-2878

Estado: ModificadaMedia (4.9)—Exploit
Gravedad4.9Media · CVSS 2.0
Probabilidad de explotación0.88 %mayor que el 59 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

Las llamadas ioctl VFAT compat en el núcleo de Linux anterior a 2.6.21.2, cuando se ejecuta en un sistema de 64 bits, permite a usuarios locales corromper una estructura kernel_dirent y provocar una denegación de servicio (caída del sistema) a través de vectores no especificados.

CVSS

Puntuación base
4.9
Versión
2.0
Vector
AV:L/AC:L/Au:N/C:N/I:N/A:C

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.88 %
Percentil entre todas las CVEs puntuadas
59
Fecha de la puntuación
21/10/2026

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).

Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (1)

Linux — Linux Kernel

CWE

Referencias

Mostrar las 40 referencias

JSON original (NVD)

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{
  "id": "CVE-2007-2878",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "2007-05-29T20:30:00.000",
  "references": [
    {
      "url": "http://osvdb.org/35926",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/25505",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26133",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26139",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/26760",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/27436",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/27747",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/28626",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2008/dsa-1479",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0705.html",
      "source": "cve@mitre.org"
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    {
      "url": "http://www.redhat.com/support/errata/RHSA-2007-0939.html",
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      "url": "http://www.ubuntu.com/usn/usn-486-1",
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    {
      "url": "http://www.vupen.com/english/advisories/2007/2023",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34669",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11674",
      "source": "cve@mitre.org"
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    {
      "url": "http://osvdb.org/35926",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25505",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26133",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26139",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/26760",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/27436",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/27747",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "http://secunia.com/advisories/28626",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.debian.org/security/2008/dsa-1479",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24134",
      "tags": [
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        "Patch"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-486-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "http://www.ubuntu.com/usn/usn-489-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.ubuntu.com/usn/usn-510-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.vupen.com/english/advisories/2007/2023",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/34669",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11674",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The VFAT compat ioctls in the Linux kernel before 2.6.21.2, when run on a 64-bit system, allow local users to corrupt a kernel_dirent struct and cause a denial of service (system crash) via unknown vectors."
    },
    {
      "lang": "es",
      "value": "Las llamadas ioctl VFAT compat en el núcleo de Linux anterior a 2.6.21.2, cuando se ejecuta en un sistema de 64 bits, permite a usuarios locales corromper una estructura kernel_dirent y provocar una denegación de servicio (caída del sistema) a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T22:40:37.540",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.21.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6AD2E9DC-2876-4515-BCE6-DDD0CC6A5708"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.",
      "lastModified": "2007-10-18T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}