{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "92a25256f142d55e25f9959441cea6ddeabae57e"
            },
            {
              "fixed": "ea18732d2614557e59f4c0d8cdbe6611aeab33b7"
            },
            {
              "fixed": "d28311539ac9f65e29308ea219ecaa48aa5e76e5"
            },
            {
              "fixed": "b6ae482f88654db407c8c17619d4b62959b903ef"
            },
            {
              "fixed": "204028af77a265e31ceb4ba7f643349a3cca72b2"
            },
            {
              "fixed": "01a6431766c35dfedb86e0cb5d3fc80c6d604a47"
            },
            {
              "fixed": "e08d75753db17aa943d7622f09d9c217b5bfd3b8"
            },
            {
              "fixed": "8c6443bb9257b780986fb67ec08565bf48ecb8d7"
            },
            {
              "fixed": "85fa3512048793076eef658f66489112dcc91993"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.7.0"
            },
            {
              "fixed": "5.10.259"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.210"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.140"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.27"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46056.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_event: fix potential UAF in SSP passkey handlers\n\nhci_conn lookup and field access must be covered by hdev lock in\nhci_user_passkey_notify_evt() and hci_keypress_notify_evt(), otherwise\nthe connection can be freed concurrently.\n\nExtend the hci_dev_lock critical section to cover all conn usage in both\nhandlers.\n\nKeep the existing keypress notification behavior unchanged by routing\nthe early exits through a common unlock path.",
  "id": "CVE-2026-46056",
  "modified": "2026-07-08T05:39:04.460632233Z",
  "published": "2026-05-27T12:57:15.150Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/01a6431766c35dfedb86e0cb5d3fc80c6d604a47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/204028af77a265e31ceb4ba7f643349a3cca72b2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/85fa3512048793076eef658f66489112dcc91993"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c6443bb9257b780986fb67ec08565bf48ecb8d7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6ae482f88654db407c8c17619d4b62959b903ef"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d28311539ac9f65e29308ea219ecaa48aa5e76e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e08d75753db17aa943d7622f09d9c217b5bfd3b8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ea18732d2614557e59f4c0d8cdbe6611aeab33b7"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46056.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46056"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Bluetooth: hci_event: fix potential UAF in SSP passkey handlers"
}