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CVE-2022-20412

Status: ModifiedMedium (6.7)—

In fdt_next_tag of fdt.c, there is a possible out of bounds read 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-10 Android-11 Android-12 Android-12L Android-13Android ID: A-230794395

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2022-20412",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.7,
          "attackVector": "LOCAL",
          "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"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-10 Android-11 Android-12 Android-12L Android-13"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-10-11T20:15:11.377",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2022-10-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2022-10-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In fdt_next_tag of fdt.c, there is a possible out of bounds read 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-10 Android-11 Android-12 Android-12L Android-13Android ID: A-230794395"
    },
    {
      "lang": "es",
      "value": "En la función fdt_next_tag del archivo fdt.c, se presenta una posible lectura fuera de límites debido a una comprobación de límites incorrecta. Esto podría conllevar a una escalada local de privilegios con los privilegios de ejecución System requeridos. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-10 Android-11 Android-12 Android-12L Android-13, ID de Android: A-230794395"
    }
  ],
  "lastModified": "2026-06-17T04:24:14.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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