{
  "cveId": "CVE-2020-27153",
  "url": "https://patchblox.com/security/cve/CVE-2020-27153",
  "summary": "CVE-2020-27153 is fixed in 10 products on 1 platform, first by RHSA-2021:1598, released May 18, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "bluez-hid2hci: The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig,...",
  "description": "The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files. \n\nSecurity Fix(es):\n\n* bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (CVE-2020-27153)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.",
  "published": "2020-10-14T20:15:00Z",
  "severity": "Moderate",
  "cvss": 8.8,
  "epss": 0.04324,
  "epssPercentile": 0.91236,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bluetooth",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluetooth 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluetooth-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluetooth",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluetooth 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluetooth-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluez 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluez-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluez 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluez-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-cups",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-cups",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluez-cups 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluez-cups-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-cups",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluez-cups 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluez-cups-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-cups",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-hcidump",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluez-hcidump 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluez-hcidump-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-hcidump",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluez-hcidump 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluez-hcidump-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-hid2hci",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-hid2hci",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-libs",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-libs",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-libs-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-libs-devel",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-obexd",
      "release": "RHEL 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "RHSA-2021:1598",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-1598",
      "released": "2021-05-18T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-obexd",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluez-obexd 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluez-obexd-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-obexd",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluez-obexd 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluez-obexd-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-obexd",
      "release": "ol 8",
      "fixedVersion": "0:5.52-4.el8",
      "fix": "ELSA-2021-1598",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-1598",
      "released": "2021-05-25T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-tests",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "bluez-tests 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-bluez-tests-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bluez-tests",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "bluez-tests 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-bluez-tests-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    },
    {
      "platform": "linux",
      "product": "libbluetooth3",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "5.48-0ubuntu3.5",
      "fix": "libbluetooth3 5.48-0ubuntu3.5",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libbluetooth3-5.48-0ubuntu3.5",
      "released": "2021-06-08T10:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libbluetooth3",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "5.53-0ubuntu3.2",
      "fix": "libbluetooth3 5.53-0ubuntu3.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libbluetooth3-5.53-0ubuntu3.2",
      "released": "2021-06-09T20:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}