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CVE-2021-47489

Estado: AnalizadaAlta (7.8)—

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: corrige aún más escrituras fuera de los límites desde debugfs CVE-2021-42327 fue solucionado por: commit f23750b5b3d98653b31d4469592935ef6364ad67 Autor: Thelford Williams Fecha: miércoles 13 de octubre 16:04:13 2021 -0400 drm/amdgpu: corrige la escritura fuera de los límites, pero amdgpu_dm_debugfs.c contiene más del mismo problema, así que solucione los restantes. v2: * Agregar corrección faltante en dp_max_bpc_write (Harry Wentland)

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 (2)

CWE

Referencias

JSON original (NVD)

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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2024-06-17T17:36:36.462454Z"
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        "source": "nvd@nist.gov",
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          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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      "description": [
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          "value": "CWE-787"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Fix even more out of bound writes from debugfs\n\nCVE-2021-42327 was fixed by:\n\ncommit f23750b5b3d98653b31d4469592935ef6364ad67\nAuthor: Thelford Williams <tdwilliamsiv@gmail.com>\nDate:   Wed Oct 13 16:04:13 2021 -0400\n\n    drm/amdgpu: fix out of bounds write\n\nbut amdgpu_dm_debugfs.c contains more of the same issue so fix the\nremaining ones.\n\nv2:\n\t* Add missing fix in dp_max_bpc_write (Harry Wentland)"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amdgpu: corrige aún más escrituras fuera de los límites desde debugfs CVE-2021-42327 fue solucionado por: commit f23750b5b3d98653b31d4469592935ef6364ad67 Autor: Thelford Williams  Fecha: miércoles 13 de octubre 16:04:13 2021 -0400 drm/amdgpu: corrige la escritura fuera de los límites, pero amdgpu_dm_debugfs.c contiene más del mismo problema, así que solucione los restantes. v2: * Agregar corrección faltante en dp_max_bpc_write (Harry Wentland)"
    }
  ],
  "lastModified": "2026-06-17T04:17:36.710",
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