nvd-json-data-feeds/CVE-2017/CVE-2017-56xx/CVE-2017-5669.json

{
  "id": "CVE-2017-5669",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2017-02-24T15:59:00.150",
  "lastModified": "2024-11-21T03:28:09.507",
  "vulnStatus": "Modified",
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      "value": "The do_shmat function in ipc/shm.c in the Linux kernel through 4.9.12 does not restrict the address calculated by a certain rounding operation, which allows local users to map page zero, and consequently bypass a protection mechanism that exists for the mmap system call, by making crafted shmget and shmat system calls in a privileged context."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n do_shmat en ipc/shm.c en el kernel de Linux hasta la versi\u00f3n 4.9.12 no restringe la direcci\u00f3n calculada por cierta operaci\u00f3n de redondeo, lo que permite a usuarios locales asignar la p\u00e1gina cero, y como consecuencia, eludir un mecanismo de protecci\u00f3n que existe por la llamada de sistema mmap, haciendo llamadas a sistema shmget y shmat manipuladas en un contexto privilegiado."
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