FKIE_CVE-2021-46962

Vulnerability from fkie_nvd - Published: 2024-02-27 19:04 - Updated: 2026-06-17 04:16
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: uniphier-sd: Fix a resource leak in the remove function A 'tmio_mmc_host_free()' call is missing in the remove function, in order to balance a 'tmio_mmc_host_alloc()' call in the probe. This is done in the error handling path of the probe, but not in the remove function. Add the missing call.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0d8941b9b2d3e7b3481fdf43b1a6189d162175b7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/25ac6ce65f1ab458982d15ec1caf441acd37106aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d6e7fda496978f2763413b5523557b38dc2bf6c2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e29c84857e2d51aa017ce04284b962742fb97d9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ebe0f12cf4c044f812c6d17011531582f9ac8bb3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0d8941b9b2d3e7b3481fdf43b1a6189d162175b7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/25ac6ce65f1ab458982d15ec1caf441acd37106aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/d6e7fda496978f2763413b5523557b38dc2bf6c2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e29c84857e2d51aa017ce04284b962742fb97d9ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ebe0f12cf4c044f812c6d17011531582f9ac8bb3Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/uniphier-sd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0d8941b9b2d3e7b3481fdf43b1a6189d162175b7",
              "status": "affected",
              "version": "3fd784f745dd1747863775a99ec749619ee6759c",
              "versionType": "git"
            },
            {
              "lessThan": "25ac6ce65f1ab458982d15ec1caf441acd37106a",
              "status": "affected",
              "version": "3fd784f745dd1747863775a99ec749619ee6759c",
              "versionType": "git"
            },
            {
              "lessThan": "ebe0f12cf4c044f812c6d17011531582f9ac8bb3",
              "status": "affected",
              "version": "3fd784f745dd1747863775a99ec749619ee6759c",
              "versionType": "git"
            },
            {
              "lessThan": "d6e7fda496978f2763413b5523557b38dc2bf6c2",
              "status": "affected",
              "version": "3fd784f745dd1747863775a99ec749619ee6759c",
              "versionType": "git"
            },
            {
              "lessThan": "e29c84857e2d51aa017ce04284b962742fb97d9e",
              "status": "affected",
              "version": "3fd784f745dd1747863775a99ec749619ee6759c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/uniphier-sd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.20"
            },
            {
              "lessThan": "4.20",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.118",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.11.*",
              "status": "unaffected",
              "version": "5.11.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C83F5505-AF9D-4F2A-8D37-A8EB73ED772D",
              "versionEndExcluding": "5.4.118",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "003E22D0-CA29-4338-8B35-0754C740074F",
              "versionEndExcluding": "5.10.36",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EEC03413-9760-46D4-AC1D-EB084A1D4111",
              "versionEndExcluding": "5.11.20",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F9D6B2DE-7E4A-4B3B-9AEE-3A2C5F23DA32",
              "versionEndExcluding": "5.12.3",
              "versionStartIncluding": "5.12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: uniphier-sd: Fix a resource leak in the remove function\n\nA \u0027tmio_mmc_host_free()\u0027 call is missing in the remove function, in order\nto balance a \u0027tmio_mmc_host_alloc()\u0027 call in the probe.\nThis is done in the error handling path of the probe, but not in the remove\nfunction.\n\nAdd the missing call."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mmc: uniphier-sd: corrige una fuga de recursos en la funci\u00f3n de eliminaci\u00f3n Falta una llamada \u0027tmio_mmc_host_free()\u0027 en la funci\u00f3n de eliminaci\u00f3n, para equilibrar un \u0027tmio_mmc_host_alloc()\u0027 llamar a la sonda. Esto se hace en la ruta de manejo de errores de la sonda, pero no en la funci\u00f3n de eliminaci\u00f3n. Agrega la llamada faltante."
    }
  ],
  "id": "CVE-2021-46962",
  "lastModified": "2026-06-17T04:16:00.063",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-46962",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-03-05T20:16:05.784060Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-27T19:04:06.960",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0d8941b9b2d3e7b3481fdf43b1a6189d162175b7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/25ac6ce65f1ab458982d15ec1caf441acd37106a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/d6e7fda496978f2763413b5523557b38dc2bf6c2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e29c84857e2d51aa017ce04284b962742fb97d9e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ebe0f12cf4c044f812c6d17011531582f9ac8bb3"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0d8941b9b2d3e7b3481fdf43b1a6189d162175b7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/25ac6ce65f1ab458982d15ec1caf441acd37106a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/d6e7fda496978f2763413b5523557b38dc2bf6c2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e29c84857e2d51aa017ce04284b962742fb97d9e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ebe0f12cf4c044f812c6d17011531582f9ac8bb3"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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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.
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