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CVE-2022-20564

Estado: ModificadaMedia (6.7)—

En _ufdt_output_strtab_to_fdt de ufdt_convert.c, hay una posible escritura fuera de los límites debido a una verificación de los límites incorrecta. Esto podría conducir a una escalada local de privilegios con permisos de ejecución de System necesarios. No se necesita la interacción del usuario para la explotación. Producto: Android Versiones: kernel de Android ID de Android: A-243798789 Referencias: N/A

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 (1)

Google — Android

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-20564",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-20564",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-21T13:07:18.061227Z"
        }
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    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
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          "scope": "UNCHANGED",
          "version": "3.1",
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 0.8
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        "type": "Secondary",
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        "cvssData": {
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              "version": "Android kernel"
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  "published": "2022-12-16T16:15:19.387",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/pixel/2022-12-01",
      "tags": [
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      "source": "security@android.com"
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    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-787"
        }
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    {
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          "value": "CWE-787"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In _ufdt_output_strtab_to_fdt of ufdt_convert.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243798789References: N/A"
    },
    {
      "lang": "es",
      "value": "En _ufdt_output_strtab_to_fdt de ufdt_convert.c, hay una posible escritura fuera de los límites debido a una verificación de los límites incorrecta. Esto podría conducir a una escalada local de privilegios con permisos de ejecución de System necesarios. No se necesita la interacción del usuario para la explotación. Producto: Android Versiones: kernel de Android ID de Android: A-243798789 Referencias: N/A"
    }
  ],
  "lastModified": "2026-06-17T04:24:34.760",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
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          "operator": "OR"
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  "sourceIdentifier": "security@android.com"
}