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CVE-2007-1730

Estado: ModificadaMedia (6.6)—Exploit
Gravedad6.6Media · CVSS 2.0
Probabilidad de explotación0.77 %mayor que el 55 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoDisponiblePublicado en Exploit-DB

Un error en la presencia de signo en un entero en el soporte DCCP de la función do_dccp_getsockopt del net/dccp/proto.c en el kernel del Linux 2.6.20 y versiones posteriores permite a usuarios locales leer la memoria del kernel y provocar una denegación de servicio (oops) mediante un valor optlen negativo.

CVSS

Puntuación base
6.6
Versión
2.0
Vector
AV:L/AC:L/Au:N/C:C/I:N/A:C

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
0.77 %
Percentil entre todas las CVEs puntuadas
55
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 20 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2007-1730",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 9.2,
        "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": "2007-03-28T10:19:00.000",
  "references": [
    {
      "url": "http://marc.info/?l=dccp&m=117509584316267&w=2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/25392",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/2482",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/463934/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/464144/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/23162",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1017820",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-464-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1143",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33274",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://marc.info/?l=dccp&m=117509584316267&w=2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25392",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/2482",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/463934/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/464144/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/23162",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1017820",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/usn-464-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1143",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33274",
      "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": "Integer signedness error in the DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later allows local users to read kernel memory or cause a denial of service (oops) via a negative optlen value."
    },
    {
      "lang": "es",
      "value": "Un error en la presencia de signo en un entero en el soporte DCCP de la función do_dccp_getsockopt del net/dccp/proto.c en el kernel del Linux 2.6.20 y versiones posteriores permite a usuarios locales leer la memoria del kernel y provocar una denegación de servicio     (oops) mediante un valor optlen negativo."
    }
  ],
  "lastModified": "2026-06-16T22:38:11.753",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.20:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C6940324-0383-4510-BA55-770E0A6B80B7"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.20.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1E3313D5-52E8-49B3-B145-170D9A26DA43"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:2.6.20.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3D3A5FD5-4C42-4B00-8473-D5650FAED9C4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.",
      "lastModified": "2007-10-23T00:00:00",
      "organization": "Red Hat"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}