{
  "id": "CVE-2022-4283",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2022-12-14T21:15:14.980",
  "lastModified": "2023-05-30T06:16:03.373",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una vulnerabilidad en X.Org. Este fallo de seguridad se produce porque la funci\u00f3n XkbCopyNames dej\u00f3 un puntero colgante a la memoria liberada, lo que provoc\u00f3 un acceso a la memoria fuera de los l\u00edmites en solicitudes posteriores de XkbGetKbdByName. Este problema puede provocar una elevaci\u00f3n de privilegios locales en sistemas donde el servidor X se ejecuta de forma privilegiada y remota. Ejecuci\u00f3n de c\u00f3digo para sesiones de reenv\u00edo ssh X."
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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