fkie_cve-2021-47431
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2025-09-23 20:25
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15
linux linux_kernel 5.15


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn\u0027t called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amdgpu: corrige la fuga de pin_count de gart.bo gmc_v{9,10}_0_gart_disable() no se llama y coincide con la funci\u00f3n gart_enbale correspondiente en el caso SRIOV. Esto provocar\u00e1 una p\u00e9rdida de pin_count de gart.bo al descargar el controlador."
    }
  ],
  "id": "CVE-2021-47431",
  "lastModified": "2025-09-23T20:25:23.837",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2024-05-21T15:15:28.487",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "NVD-CWE-Other"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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