vuln-ubuntu/data/osv/usn/USN-5155-1.json

{
  "schema_version": "1.7.0",
  "id": "USN-5155-1",
  "summary": "bluez vulnerabilities",
  "details": "It was discovered that BlueZ incorrectly handled the Discoverable status\nwhen a device is powered down. This could result in devices being powered\nup discoverable, contrary to expectations. This issue only affected Ubuntu\n20.04 LTS, Ubuntu 21.04, and Ubuntu 21.10. (CVE-2021-3658)\n\nIt was discovered that BlueZ incorrectly handled certain memory operations.\nA remote attacker could possibly use this issue to cause BlueZ to consume\nresources, leading to a denial of service. (CVE-2021-41229)\n\nIt was discovered that the BlueZ gatt server incorrectly handled\ndisconnects. A remote attacker could possibly use this issue to cause\nBlueZ to crash, leading to a denial of service. (CVE-2021-43400)\n",
  "aliases": [],
  "upstream": [
    "UBUNTU-CVE-2021-3658",
    "UBUNTU-CVE-2021-41229",
    "UBUNTU-CVE-2021-43400"
  ],
  "related": [],
  "published": "2021-11-23T19:04:05Z",
  "modified": "2026-04-27T14:11:27Z",
  "affected": [
    {
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "bluez",
        "purl": "pkg:deb/ubuntu/bluez@5.48-0ubuntu3.6?arch=source&distro=bionic"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.48-0ubuntu3.6"
            }
          ]
        }
      ],
      "versions": [
        "5.46-0ubuntu3",
        "5.46-0ubuntu4",
        "5.48-0ubuntu3",
        "5.48-0ubuntu3.1",
        "5.48-0ubuntu3.2",
        "5.48-0ubuntu3.3",
        "5.48-0ubuntu3.4",
        "5.48-0ubuntu3.5"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "bluetooth",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "bluez",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "bluez-cups",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "bluez-hcidump",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "bluez-obexd",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "bluez-tests",
            "binary_version": "5.48-0ubuntu3.6"
          },
          {
            "binary_name": "libbluetooth3",
            "binary_version": "5.48-0ubuntu3.6"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:18.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-41229",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            },
            {
              "id": "CVE-2021-43400",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    },
    {
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "bluez",
        "purl": "pkg:deb/ubuntu/bluez@5.53-0ubuntu3.4?arch=source&distro=focal"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.53-0ubuntu3.4"
            }
          ]
        }
      ],
      "versions": [
        "5.50-0ubuntu4",
        "5.51-0ubuntu1",
        "5.51-0ubuntu2",
        "5.52-0ubuntu1",
        "5.52-0ubuntu2",
        "5.53-0ubuntu1",
        "5.53-0ubuntu2",
        "5.53-0ubuntu3",
        "5.53-0ubuntu3.1",
        "5.53-0ubuntu3.2",
        "5.53-0ubuntu3.3"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "bluetooth",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "bluez",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-cups",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-hcidump",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-obexd",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "bluez-tests",
            "binary_version": "5.53-0ubuntu3.4"
          },
          {
            "binary_name": "libbluetooth3",
            "binary_version": "5.53-0ubuntu3.4"
          }
        ],
        "availability": "No subscription required"
      },
      "database_specific": {
        "cves_map": {
          "ecosystem": "Ubuntu:20.04:LTS",
          "cves": [
            {
              "id": "CVE-2021-3658",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            },
            {
              "id": "CVE-2021-41229",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                  "type": "Ubuntu",
                  "score": "low"
                }
              ]
            },
            {
              "id": "CVE-2021-43400",
              "severity": [
                {
                  "type": "CVSS_V3",
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
                },
                {
                  "type": "Ubuntu",
                  "score": "medium"
                }
              ]
            }
          ]
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5155-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3658"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-41229"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-43400"
    }
  ]
}