« Volver al listado

CVE-2003-0464

Estado: ModificadaMedia (4.6)—

El código RPC en el kernel 2.4 de Linux establece la bandera de reusar cuando se crean sockets, lo que podría permitir a usuarios locales atar puertos UDP usados por servicios privilegiados como nfsd.

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 (1)

Redhat — Linux

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2003-0464",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "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": "2003-08-27T04:00:00.000",
  "references": [
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2003-238.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A311",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.redhat.com/support/errata/RHSA-2003-238.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A311",
      "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 RPC code in Linux kernel 2.4 sets the reuse flag when sockets are created, which could allow local users to bind to UDP ports that are used by privileged services such as nfsd."
    },
    {
      "lang": "es",
      "value": "El código RPC en el kernel 2.4 de Linux establece la bandera de reusar cuando se crean sockets, lo que podría permitir a usuarios locales atar puertos UDP usados por servicios privilegiados como nfsd."
    }
  ],
  "lastModified": "2026-06-16T22:02:15.047",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:linux:7.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D46E093-1C68-43BB-B281-12117EC8DE0F"
            },
            {
              "criteria": "cpe:2.3:o:redhat:linux:7.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E562907F-D915-4030-847A-3C6834A80D4E"
            },
            {
              "criteria": "cpe:2.3:o:redhat:linux:7.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "138985E6-5107-4E8B-A801-C3D5FE075227"
            },
            {
              "criteria": "cpe:2.3:o:redhat:linux:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "038FEDE7-986F-4CA5-9003-BA68352B87D4"
            },
            {
              "criteria": "cpe:2.3:o:redhat:linux:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E66F7BF0-EF7C-4695-9D67-7C1A01C6F9B9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}