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CVE-2017-12153

Estado: ModificadaMedia (4.4)—

Se descubrió un fallo de seguridad en la función nl80211_set_rekey_data() en net/wireless/nl80211.c en el kernel de Linux hasta la versión 4.13.3. La función no comprueba si los atributos requeridos están presentes en una petición Netlink. Esta petición la puede enviar un usuario con la capacidad CAP_NET_ADMIN y podría provocar una desreferencia de puntero NULL y un cierre inesperado del sistema.

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 (3)

Canonical — Ubuntu LinuxDebian — Debian LinuxLinux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-12153",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "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
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          "scope": "UNCHANGED",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 0.8
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  "affected": [
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          "vendor": "n/a",
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  "published": "2017-09-21T15:29:00.557",
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          "value": "CWE-476"
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          "value": "CWE-476"
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      "lang": "en",
      "value": "A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash."
    },
    {
      "lang": "es",
      "value": "Se descubrió un fallo de seguridad en la función nl80211_set_rekey_data() en net/wireless/nl80211.c en el kernel de Linux hasta la versión 4.13.3. La función no comprueba si los atributos requeridos están presentes en una petición Netlink. Esta petición la puede enviar un usuario con la capacidad CAP_NET_ADMIN y podría provocar una desreferencia de puntero NULL y un cierre inesperado del sistema."
    }
  ],
  "lastModified": "2026-06-17T01:02:47.097",
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