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CVE-2021-34402

Estado: ModificadaMedia (6.7)—

NVIDIA Tegra kernel driver contains a vulnerability in NVIDIA NVDEC, where a user with high privileges might be able to read from or write to a memory location that is outside the intended boundary of the buffer, which may lead to denial of service, Information disclosure, loss of Integrity, or possible escalation of privileges.

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)

Nvidia — Shield Experience

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-34402",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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          "version": "3.1",
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          "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",
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          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
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        "exploitabilityScore": 0.8
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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  "affected": [
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      "source": "psirt@nvidia.com",
      "affectedData": [
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          "vendor": "NVIDIA",
          "product": "SHIELD TV",
          "versions": [
            {
              "status": "affected",
              "version": "All versions prior to SE 9.0"
            }
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  "published": "2022-01-18T18:15:07.927",
  "references": [
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5259",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@nvidia.com"
    },
    {
      "url": "https://nvidia.custhelp.com/app/answers/detail/a_id/5259",
      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@nvidia.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NVIDIA Tegra kernel driver contains a vulnerability in NVIDIA NVDEC, where a user with high privileges might be able to read from or write to a memory location that is outside the intended boundary of the buffer, which may lead to denial of service, Information disclosure, loss of Integrity, or possible escalation of privileges."
    },
    {
      "lang": "es",
      "value": "El controlador del kernel de NVIDIA Tegra contiene una vulnerabilidad en NVIDIA NVDEC, por la que un usuario con altos privilegios podría leer o escribir en una ubicación de memoria que está fuera de límites previstos del búfer, lo que puede conllevar a una denegación de servicio, una revelación de información, una pérdida de integridad o una posible escalada de privilegios"
    }
  ],
  "lastModified": "2026-06-17T03:55:47.540",
  "configurations": [
    {
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  "sourceIdentifier": "psirt@nvidia.com"
}