FKIE_CVE-2021-47193

Vulnerability from fkie_nvd - Published: 2024-04-10 19:15 - Updated: 2025-11-03 18:15
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: scsi: pm80xx: Fix memory leak during rmmod Driver failed to release all memory allocated. This would lead to memory leak during driver removal. Properly free memory when the module is removed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354bPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

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  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B2845F69-264B-45BD-B7E7-D12B24338382",
              "versionEndExcluding": "5.15.5",
              "vulnerable": true
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          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: pm80xx: Fix memory leak during rmmod\n\nDriver failed to release all memory allocated. This would lead to memory\nleak during driver removal.\n\nProperly free memory when the module is removed."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: pm80xx: se corrigi\u00f3 la p\u00e9rdida de memoria durante rmmod, el controlador no pudo liberar toda la memoria asignada. Esto puede provocar una p\u00e9rdida de memoria durante la eliminaci\u00f3n del controlador. Se debe liberar correctamente la memoria cuando se retire el m\u00f3dulo."
    }
  ],
  "id": "CVE-2021-47193",
  "lastModified": "2025-11-03T18:15:38.377",
  "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"
      }
    ]
  },
  "published": "2024-04-10T19:15:47.757",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0c4398f2ee030d5753f6b0ad83f0ed9077851d9a"
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      "tags": [
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      "url": "https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d"
    },
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/51e6ed83bb4ade7c360551fa4ae55c4eacea354b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/269a4311b15f68d24e816f43f123888f241ed13d"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
    }
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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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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