{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-53156",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-53156"
  ],
  "published": "2024-12-24T11:29:52Z",
  "summary": "wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()\n\nI found the following bug in my fuzzer:\n\n  UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51\n  index 255 is out of range for type 'htc_endpoint [22]'\n  CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n  Workqueue: events request_firmware_work_func\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x180/0x1b0\n   __ubsan_handle_out_of_bounds+0xd4/0x130\n   htc_issue_send.constprop.0+0x20c/0x230\n   ? _raw_spin_unlock_irqrestore+0x3c/0x70\n   ath9k_wmi_cmd+0x41d/0x610\n   ? mark_held_locks+0x9f/0xe0\n   ...\n\nSince this bug has been confirmed to be caused by insufficient verification\nof conn_rsp_epid, I think it would be appropriate to add a range check for\nconn_rsp_epid to htc_connect_service() to prevent the bug from occurring.",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-53156"
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