CVE-2026-19935 Use-after-free of an L2CAP CoC channel object in the Zephyr Bluetooth host: RX work item is not cancelled on channel teardown

[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/bluetooth/host/l2cap.c"
    ],
    "programRoutines": [
      {
        "name": "l2cap_chan_destroy"
      },
      {
        "name": "l2cap_chan_recv_queue"
      },
      {
        "name": "l2cap_rx_process"
      }
    ],
    "versions": [
      {
        "version": "2.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "4.4.2"
      }
    ]
  }
]