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CVE-2021-34406

Estado: ModificadaMedia (4.7)—

NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointer dereference, which may lead to a system reboot.

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-2021-34406",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.7,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.4,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    ],
    "cvssMetricV31": [
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        "type": "Secondary",
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
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        "exploitabilityScore": 1
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      {
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        "cvssData": {
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          "confidentialityImpact": "NONE"
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  "affected": [
    {
      "source": "psirt@nvidia.com",
      "affectedData": [
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          "vendor": "NVIDIA",
          "product": "SHIELD TV",
          "versions": [
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              "version": "All versions prior to SE 9.0"
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  "published": "2022-01-18T18:15:08.157",
  "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-476"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-362"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "NVIDIA Tegra kernel driver contains a vulnerability in NVHost, where a specific race condition can lead to a null pointer dereference, which may lead to a system reboot."
    },
    {
      "lang": "es",
      "value": "El controlador del kernel de NVIDIA Tegra contiene una vulnerabilidad en NVHost, en la que una condición de carrera específica puede conllevar a una desreferencia de puntero null, lo que puede conllevar a un reinicio del sistema"
    }
  ],
  "lastModified": "2026-06-17T03:55:47.963",
  "configurations": [
    {
      "nodes": [
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}