{
  "id": "CVE-2021-4154",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-02-04T23:15:12.307",
  "lastModified": "2023-01-19T15:53:48.070",
  "vulnStatus": "Analyzed",
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      "lang": "en",
      "value": "A use-after-free flaw was found in cgroup1_parse_param in kernel/cgroup/cgroup-v1.c in the Linux kernel's cgroup v1 parser. A local attacker with a user privilege could cause a privilege escalation by exploiting the fsconfig syscall parameter leading to a container breakout and a denial of service on the system."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un defecto de uso de memoria previamente liberada en la funci\u00f3n cgroup1_parse_param en el archivo kernel/cgroup/cgroup-v1.c en el analizador cgroup v1 del kernel de Linux. Un atacante local con un privilegio de usuario podr\u00eda causar una escalada de privilegios al explotar el par\u00e1metro de syscall fsconfig, conllevando a una ruptura del contenedor y una denegaci\u00f3n de servicio en el sistema"
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