{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-50339",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-01-14T18:19:15.738388Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-362",
                "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-01-14T18:22:57.449Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/mgmt.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e53c6180db8dd09de94e0a3bdf4fef6f5f9dd6e6",
              "status": "affected",
              "version": "3f2893d3c142986aa935821460cb3adb77044722",
              "versionType": "git"
            },
            {
              "lessThan": "f74ca25d6d6629ffd4fd80a1a73037253b57d06b",
              "status": "affected",
              "version": "3f2893d3c142986aa935821460cb3adb77044722",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/mgmt.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.3",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: avoid hci_dev_test_and_set_flag() in mgmt_init_hdev()\n\nsyzbot is again reporting attempt to cancel uninitialized work\nat mgmt_index_removed() [1], for setting of HCI_MGMT flag from\nmgmt_init_hdev() from hci_mgmt_cmd() from hci_sock_sendmsg() can\nrace with testing of HCI_MGMT flag from mgmt_index_removed() from\nhci_sock_bind() due to lack of serialization via hci_dev_lock().\n\nSince mgmt_init_hdev() is called with mgmt_chan_list_lock held, we can\nsafely split hci_dev_test_and_set_flag() into hci_dev_test_flag() and\nhci_dev_set_flag(). Thus, in order to close this race, set HCI_MGMT flag\nafter INIT_DELAYED_WORK() completed.\n\nThis is a local fix based on mgmt_chan_list_lock. Lack of serialization\nvia hci_dev_lock() might be causing different race conditions somewhere\nelse. But a global fix based on hci_dev_lock() should deserve a future\npatch."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable paths are local AF_BLUETOOTH HCI socket operations (hci_sock_sendmsg \u2192 hci_mgmt_cmd \u2192 mgmt_init_hdev racing hci_sock_bind \u2192 mgmt_index_removed), not Bluetooth radio frame processing, so this is Local rather than Adjacent.\nAC:L - An attacker who can open an HCI CONTROL socket and an HCI USER socket controls both sides of the race (sendmsg triggering mgmt_init_hdev concurrent with bind triggering mgmt_index_removed), so success does not depend on conditions outside their influence.\nPR:L - HCI_CHANNEL_CONTROL bind needs no capability, and untrusted MGMT_OP_READ_INFO reaches mgmt_init_hdev; HCI_CHANNEL_USER needs CAP_NET_ADMIN, which is commonly held by Bluetooth/network management contexts and, when uncertain, is scored Low rather than High.\nUI:N - The attacker issues the concurrent bind/sendmsg syscalls themselves; no separate victim action such as mounting a volume or confirming a prompt is required.\nS:U - Impact remains inside the host kernel Bluetooth mgmt/workqueue authority as a same-host memory-safety issue, with no VM escape, IOMMU bypass, or other security-boundary crossing.\nC:H - Racing INIT_DELAYED_WORK with cancel_delayed_work_sync on the same delayed_work/timer state can corrupt workqueue and timer-list structures, which is kernel memory corruption leverageable for arbitrary read primitives under the higher-severity rule.\nI:H - The same concurrent init-versus-cancel corruption of work/timer objects can yield heap/list write primitives suitable for control-flow hijacking beyond a pure crash.\nA:H - cancel_delayed_work_sync on uninitialized or partially initialized work triggers kernel WARNINGs (ODEBUG) and can oops/panic via corrupted timer/workqueue state, which is Availability High."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T08:58:17.461Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e53c6180db8dd09de94e0a3bdf4fef6f5f9dd6e6"
        },
        {
          "url": "https://git.kernel.org/stable/c/f74ca25d6d6629ffd4fd80a1a73037253b57d06b"
        }
      ],
      "title": "Bluetooth: avoid hci_dev_test_and_set_flag() in mgmt_init_hdev()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50339",
    "datePublished": "2025-09-16T16:11:19.138Z",
    "dateReserved": "2025-09-16T16:03:27.881Z",
    "dateUpdated": "2026-08-05T08:58:17.461Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}