Bluetooth: Fix not cleanup led when bt_init fails

{
  "id": "b3e9c2057b827d3a9ac03a54785307b11ad7769e33324a1fe98268e2e6387f3f",
  "url": "https://osv.dev/vulnerability/CVE-2022-48971",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Bluetooth: Fix not cleanup led when bt_init fails",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix not cleanup led when bt_init fails bt_init() calls bt_leds_init() to register led, but if it fails later, bt_leds_cleanup() is not called to unregister it. This can cause panic if the argument \"bluetooth-power\" in text is freed and then another led_trigger_register() tries to access it: BUG: unable to handle page fault for address: ffffffffc06d3bc0 RIP: 0010:strcmp+0xc/0x30 Call Trace: led_trigger_register+0x10d/0x4f0 led_trigger_register_simple+0x7d/0x100 bt_init+0x39/0xf7 [bluetooth] do_one_initcall+0xd0/0x4e0",
    "evidence": "osv:CVE-2022-48971",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "4.19.269",
            "evidence": "/affected/1/ranges"
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          {
            "value": "5.4.227",
            "evidence": "/affected/1/ranges"
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            "evidence": "/affected/1/ranges"
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            "value": "6.0.13",
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    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-48971",
      "aliases": [
        "CVE-2022-48971"
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            "ecosystem": "Linux"
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      ],
      "modified": "2026-10-28T02:30:39.200627135Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2c6cf0afc3856359e620e96edd952457d258e16c",
        "https://git.kernel.org/stable/c/2f3957c7eb4e07df944169a3e50a4d6790e1c744",
        "https://git.kernel.org/stable/c/5ecf7cd6fde5e72c87122084cf00d63e35d8dd9f",
        "https://git.kernel.org/stable/c/8a66c3a94285552f6a8e45d73b34ebbad11d388b",
        "https://git.kernel.org/stable/c/e7b950458156d410509a08c41930b75e72985938",
        "https://git.kernel.org/stable/c/edf7284a98296369dd0891a0457eec37df244873",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48971.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48971",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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        "cna_assigner": "Linux",
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    "related_cves": [
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        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506422,
  "published_at": "2024-10-21T20:05:52.363+00:00"
}