cve-2021-47620
Vulnerability from cvelistv5
Published
2024-06-20 11:08
Modified
2024-08-04 05:47
Severity
Summary
Bluetooth: refactor malicious adv data check
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47620",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-20T13:36:51.279922Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-20T13:36:59.452Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:47:40.577Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/hci_event.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "305e92f52545",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "7889b38a7f21",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "5a539c08d743",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "8819f93cd4a4",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "835d37068525",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "83d5196b65d1",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "bcea886771c3",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "5c968affa804",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "899663be5e75",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/hci_event.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "4.4.*",
              "status": "unaffected",
              "version": "4.4.302",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "4.9.*",
              "status": "unaffected",
              "version": "4.9.300",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.265",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.228",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.176",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.96",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.19",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "5.16.*",
              "status": "unaffected",
              "version": "5.16.5",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.17",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: refactor malicious adv data check\n\nCheck for out-of-bound read was being performed at the end of while\nnum_reports loop, and would fill journal with false positives. Added\ncheck to beginning of loop processing so that it doesn\u0027t get checked\nafter ptr has been advanced."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-06-20T11:08:09.320Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082"
        },
        {
          "url": "https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c"
        },
        {
          "url": "https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e"
        },
        {
          "url": "https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb"
        },
        {
          "url": "https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67"
        },
        {
          "url": "https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba"
        },
        {
          "url": "https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c"
        },
        {
          "url": "https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e"
        },
        {
          "url": "https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a"
        }
      ],
      "title": "Bluetooth: refactor malicious adv data check",
      "x_generator": {
        "engine": "bippy-7d53e8ef8be4"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47620",
    "datePublished": "2024-06-20T11:08:09.320Z",
    "dateReserved": "2024-06-20T11:03:43.235Z",
    "dateUpdated": "2024-08-04T05:47:40.577Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47620\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-20T11:15:54.653\",\"lastModified\":\"2024-06-20T12:43:25.663\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: refactor malicious adv data check\\n\\nCheck for out-of-bound read was being performed at the end of while\\nnum_reports loop, and would fill journal with false positives. Added\\ncheck to beginning of loop processing so that it doesn\u0027t get checked\\nafter ptr has been advanced.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: Bluetooth: refactorizaci\u00f3n de verificaci\u00f3n de datos publicitarios maliciosos. Se estaba realizando una verificaci\u00f3n de lectura fuera de los l\u00edmites al final del bucle while num_reports y llenar\u00eda el diario con falsos positivos. Se agreg\u00f3 una verificaci\u00f3n al comienzo del procesamiento del bucle para que no se verifique despu\u00e9s de que se haya avanzado ptr.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/305e92f525450f3e1b5f5c9dc7eadb152d66a082\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5a539c08d743d9910631448da78af5e961664c0e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5c968affa804ba98c3c603f37ffea6fba618025e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7889b38a7f21ed19314f83194622b195d328465c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/835d3706852537bf92eb23eb8635b8dee0c0aa67\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/83d5196b65d1b29e27d7dd16a3b9b439fb1d2dba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8819f93cd4a443dfe547aa622b21f723757df3fb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/899663be5e75dc0174dc8bda0b5e6826edf0b29a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bcea886771c3f22a590c8c8b9139a107bd7f1e1c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.