fkie_cve-2020-36777
Vulnerability from fkie_nvd
Published
2024-02-27 19:04
Modified
2024-11-21 05:30
Summary
In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82Patch



{
  "configurations": [
    {
      "nodes": [
        {
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              "matchCriteriaId": "8413F613-F1EE-430D-9972-52EEF6C49672",
              "versionEndExcluding": "4.9.269",
              "versionStartIncluding": "4.5.0",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvbdev: Fix memory leak in dvb_media_device_free()\n\ndvb_media_device_free() is leaking memory. Free `dvbdev-\u003eadapter-\u003econn`\nbefore setting it to NULL, as documented in include/media/media-device.h:\n\"The media_entity instance itself must be freed explicitly by the driver\nif required.\""
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medios: dvbdev: corrige la p\u00e9rdida de memoria en dvb_media_device_free() dvb_media_device_free() est\u00e1 perdiendo memoria. Libere `dvbdev-\u0026gt;adapter-\u0026gt;conn` antes de configurarlo en NULL, como se documenta en include/media/media-device.h: \"La instancia media_entity debe ser liberada expl\u00edcitamente por el controlador si es necesario\"."
    }
  ],
  "id": "CVE-2020-36777",
  "lastModified": "2024-11-21T05:30:17.220",
  "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": "2024-02-27T19:04:05.760",
  "references": [
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    },
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      "tags": [
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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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