FKIE_CVE-2021-47352

Vulnerability from fkie_nvd - Published: 2024-05-21 15:15 - Updated: 2025-11-14 17:22
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: virtio-net: Add validation for used length This adds validation for used length (might come from an untrusted device) to avoid data corruption or loss.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3133e01514c3c498f2b01ff210ee6134b70c663cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ad993a95c508417acdeb15244109e009e50d8758Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ba710baa1cc1b17a0483f7befe03e696efd17292Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c1b40d1959517ff2ea473d40eeab4691d6d62462Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c92298d228f61589dd21657af2bea95fc866b813Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3133e01514c3c498f2b01ff210ee6134b70c663cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ad993a95c508417acdeb15244109e009e50d8758Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ba710baa1cc1b17a0483f7befe03e696efd17292Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c92298d228f61589dd21657af2bea95fc866b813Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
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              "matchCriteriaId": "389EB980-4648-446E-A0DC-5FB0265E0F02",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: Add validation for used length\n\nThis adds validation for used length (might come\nfrom an untrusted device) to avoid data corruption\nor loss."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: virtio-net: Agregar validaci\u00f3n para la longitud utilizada. Esto agrega validaci\u00f3n para la longitud utilizada (puede provenir de un dispositivo que no es de confianza) para evitar la corrupci\u00f3n o p\u00e9rdida de datos."
    }
  ],
  "id": "CVE-2021-47352",
  "lastModified": "2025-11-14T17:22:04.850",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2024-05-21T15:15:21.620",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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