{
  "id": "CVE-2021-20317",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2021-09-27T11:15:07.357",
  "lastModified": "2022-06-14T11:15:09.137",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the Linux kernel. A corrupted timer tree caused the task wakeup to be missing in the timerqueue_add function in lib/timerqueue.c. This flaw allows a local attacker with special user privileges to cause a denial of service, slowing and eventually stopping the system while running OSP."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en el kernel de Linux. Un \u00e1rbol de temporizadores corrompido hac\u00eda que faltara el despertar de la tarea en la funci\u00f3n timerqueue_add en el archivo lib/timerqueue.c. Este defecto permite a un atacante local con privilegios de usuario especiales causar una denegaci\u00f3n de servicio, ralentizando y eventualmente deteniendo el sistema mientras se ejecuta OSP"
    }
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM"
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          "authentication": "NONE",
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          "integrityImpact": "NONE",
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          "baseScore": 4.9
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        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2005258",
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