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CVE-2021-47658

Estado: AnalizadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/pm: fix a potential gpu_metrics_table memory leak

Memory is allocated for gpu_metrics_table in renoir_init_smc_tables(), but not freed in int smu_v12_0_fini_smc_tables(). Free it!

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)

Linux — Linux Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-47658",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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            "drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c"
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              "status": "affected",
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  "published": "2025-02-26T06:37:07.557",
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      "tags": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
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  "vulnStatus": "Analyzed",
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      "type": "Primary",
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          "value": "CWE-401"
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  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/pm: fix a potential gpu_metrics_table memory leak\n\nMemory is allocated for gpu_metrics_table in renoir_init_smc_tables(),\nbut not freed in int smu_v12_0_fini_smc_tables(). Free it!"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/pm: se corrige una posible pérdida de memoria en gpu_metrics_table La memoria está asignada para gpu_metrics_table en renoir_init_smc_tables(), pero no se libera en int smu_v12_0_fini_smc_tables(). ¡Libérenla!"
    }
  ],
  "lastModified": "2026-06-17T04:18:16.160",
  "configurations": [
    {
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          "operator": "OR"
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}