gsd-2020-36777
Vulnerability from gsd
Modified
2024-02-27 06:02
Details
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."
Aliases



{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-36777"
      ],
      "details": "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.\"",
      "id": "GSD-2020-36777",
      "modified": "2024-02-27T06:02:42.149843Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2020-36777",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0230d60e4661",
                          "version_value": "06854b943e05"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "4.5"
                              },
                              {
                                "lessThan": "4.5",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "4.9.*",
                                "status": "unaffected",
                                "version": "4.9.269",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "4.14.*",
                                "status": "unaffected",
                                "version": "4.14.233",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "4.19.*",
                                "status": "unaffected",
                                "version": "4.19.191",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.4.*",
                                "status": "unaffected",
                                "version": "5.4.118",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.36",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.11.*",
                                "status": "unaffected",
                                "version": "5.11.20",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.12.*",
                                "status": "unaffected",
                                "version": "5.12.3",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "5.13",
                                "versionType": "original_commit_for_fix"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Linux"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "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.\""
          }
        ]
      },
      "generator": {
        "engine": "bippy-b01c2a820106"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275"
          },
          {
            "name": "https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f"
          },
          {
            "name": "https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98"
          },
          {
            "name": "https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b"
          },
          {
            "name": "https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749"
          },
          {
            "name": "https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066"
          },
          {
            "name": "https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82"
          },
          {
            "name": "https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "8413F613-F1EE-430D-9972-52EEF6C49672",
                    "versionEndExcluding": "4.9.269",
                    "versionStartIncluding": "4.5.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "20505383-2EB8-41EF-A91B-F185B4FB81DF",
                    "versionEndExcluding": "4.14.233",
                    "versionStartIncluding": "4.10.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B7281E1E-A00B-49C0-A849-9CE1CE780227",
                    "versionEndExcluding": "4.19.191",
                    "versionStartIncluding": "4.15.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5670AEA3-082C-42D6-A067-CD9ECED4B84B",
                    "versionEndExcluding": "5.4.118",
                    "versionStartIncluding": "4.20.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C7148769-B830-4B8F-986F-E0C85A19FC7F",
                    "versionEndExcluding": "5.10.36",
                    "versionStartIncluding": "5.5.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EFB425F0-C28C-4B44-8B4C-AD512AA832DE",
                    "versionEndExcluding": "5.11.20",
                    "versionStartIncluding": "5.11.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C3814FA3-8141-4313-A852-8C4212BE12AD",
                    "versionEndExcluding": "5.12.3",
                    "versionStartIncluding": "5.12.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "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": "2024-04-10T19:32:09.210",
        "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": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/06854b943e0571ccbd7ad0a529babed1a98ff275"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/32168ca1f123316848fffb85d059860adf3c409f"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/43263fd43083e412311fa764cd04a727b0c6a749"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9185b3b1c143b8da409c19ac5a785aa18d67a81b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/9ad15e214fcd73694ea51967d86055f47b802066"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/bf9a40ae8d722f281a2721779595d6df1c33a0bf"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cd89f79be5d553c78202f686e8e4caa5fbe94e98"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cede24d13be6c2a62be6d7ceea63c2719b0cfa82"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-401"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.