i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock

{
  "id": "adba01502d51f5a0568a6f9750c9e2279b5997de9cce0a6056011b8949c7ea93",
  "url": "https://osv.dev/vulnerability/CVE-2024-43098",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: i3c: Use i3cdev->desc->info instead of calling i3c_device_get_info() to avoid deadlock A deadlock may happen since the i3c_master_register() acquires &i3cbus->lock twice. See the log below. Use i3cdev->desc->info instead of calling i3c_device_info() to avoid acquiring the lock twice. v2: - Modified the title and commit message ============================================ WARNING: possible recursive locking detected 6.11.0-mainline -------------------------------------------- init/1 is trying to acquire lock: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_bus_normaluse_lock but task is already holding lock: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_master_register other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&i3cbus->lock); lock(&i3cbus->lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by init/1: #0: fcffff809b6798f8 (&dev->mutex){....}-{3:3}, at: __driver_attach #1: f1ffff80a6a40dc0 (&i3cbus->lock){++++}-{3:3}, at: i3c_master_register stack backtrace: CPU: 6 UID: 0 PID: 1 Comm: init Call trace: dump_backtrace+0xfc/0x17c show_stack+0x18/0x28 dump_stack_lvl+0x40/0xc0 dump_stack+0x18/0x24 print_deadlock_bug+0x388/0x390 __lock_acquire+0x18bc/0x32ec lock_acquire+0x134/0x2b0 down_read+0x50/0x19c i3c_bus_normaluse_lock+0x14/0x24 i3c_device_get_info+0x24/0x58 i3c_device_uevent+0x34/0xa4 dev_uevent+0x310/0x384 kobject_ueve",
    "evidence": "osv:CVE-2024-43098",
    "products": [
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        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
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        "prerequisites": [],
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    "severity": "medium",
    "structured": {
      "id": "CVE-2024-43098",
      "aliases": [
        "CVE-2024-43098"
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      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
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      "modified": "2026-10-28T02:30:29.920122412Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1f51ae217d09c361ede900b94735a6d2df6c0344",
        "https://git.kernel.org/stable/c/2d98fa2a50b8058de52ada168fa5dbabb574711b",
        "https://git.kernel.org/stable/c/5ac1dd51aaa0ce8b5421d1137e857955a4b6f55e",
        "https://git.kernel.org/stable/c/6cf7b65f7029914dc0cd7db86fac9ee5159008c6",
        "https://git.kernel.org/stable/c/816187b1833908941286e71b0041059a4acd52ed",
        "https://git.kernel.org/stable/c/9a2173660ee53d5699744f02e6ab7bf89fcd0b1a",
        "https://git.kernel.org/stable/c/ffe19e363c6f8b992ba835a361542568dea17409",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43098.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-43098",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43098.json"
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        "value": "CVE-2024-43098",
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
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  "source_id": "core-osv",
  "document_id": 496499,
  "published_at": "2025-01-11T12:25:10.587+00:00"
}