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CVE-2013-4343

Estado: ModificadaMedia (6.9)—

Vulnerabilidad de uso despues de liberación en drivers/net/tun.c en el kernel Linux 3.11.1 permite a usuarios locales obtener privilegios aprovechado CAP_NET_ADMIN e introduciendo un nombre de interfaz tuntap inválido en una llamada TUNSETIFF ioctl.

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)

Canonical — Ubuntu LinuxLinux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2013-4343",
  "cveTags": [],
  "metrics": {
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          "version": "2.0",
          "baseScore": 6.9,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
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          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2013-09-25T10:31:29.207",
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      "description": [
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          "lang": "en",
          "value": "CWE-399"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in drivers/net/tun.c in the Linux kernel through 3.11.1 allows local users to gain privileges by leveraging the CAP_NET_ADMIN capability and providing an invalid tuntap interface name in a TUNSETIFF ioctl call."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso despues de liberación en drivers/net/tun.c en el kernel Linux 3.11.1 permite a usuarios locales obtener privilegios aprovechado CAP_NET_ADMIN e introduciendo un nombre de interfaz tuntap inválido en una llamada TUNSETIFF ioctl."
    }
  ],
  "lastModified": "2026-06-16T23:57:03.687",
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