{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-53046",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53046",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-05-02T15:55:03.270Z",
    "updatedAt": "2026-08-05T09:12:31.608Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "Bluetooth: Fix race condition in hci_cmd_sync_clear",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix race condition in hci_cmd_sync_clear\n\nThere is a potential race condition in hci_cmd_sync_work and\nhci_cmd_sync_clear, and could lead to use-after-free. For instance,\nhci_cmd_sync_work is added to the 'req_workqueue' after cancel_work_sync\nThe entry of 'cmd_sync_work_list' may be freed in hci_cmd_sync_clear, and\ncausing kernel panic when it is used in 'hci_cmd_sync_work'.\n\nHere's the call trace:\n\ndump_stack_lvl+0x49/0x63\nprint_report.cold+0x5e/0x5d3\n? hci_cmd_sync_work+0x282/0x320\nkasan_report+0xaa/0x120\n? hci_cmd_sync_work+0x282/0x320\n__asan_report_load8_noabort+0x14/0x20\nhci_cmd_sync_work+0x282/0x320\nprocess_one_work+0x77b/0x11c0\n? _raw_spin_lock_irq+0x8e/0xf0\nworker_thread+0x544/0x1180\n? poll_idle+0x1e0/0x1e0\nkthread+0x285/0x320\n? process_one_work+0x11c0/0x11c0\n? kthread_complete_and_exit+0x30/0x30\nret_from_fork+0x22/0x30\n</TASK>\n\nAllocated by task 266:\nkasan_save_stack+0x26/0x50\n__kasan_kmalloc+0xae/0xe0\nkmem_cache_alloc_trace+0x191/0x350\nhci_cmd_sync_queue+0x97/0x2b0\nhci_update_passive_scan+0x176/0x1d0\nle_conn_complete_evt+0x1b5/0x1a00\nhci_le_conn_complete_evt+0x234/0x340\nhci_le_meta_evt+0x231/0x4e0\nhci_event_packet+0x4c5/0xf00\nhci_rx_work+0x37d/0x880\nprocess_one_work+0x77b/0x11c0\nworker_thread+0x544/0x1180\nkthread+0x285/0x320\nret_from_fork+0x22/0x30\n\nFreed by task 269:\nkasan_save_stack+0x26/0x50\nkasan_set_track+0x25/0x40\nkasan_set_free_info+0x24/0x40\n____kasan_slab_free+0x176/0x1c0\n__kasan_slab_free+0x12/0x20\nslab_free_freelist_hook+0x95/0x1a0\nkfree+0xba/0x2f0\nhci_cmd_sync_clear+0x14c/0x210\nhci_unregister_dev+0xff/0x440\nvhci_release+0x7b/0xf0\n__fput+0x1f3/0x970\n____fput+0xe/0x20\ntask_work_run+0xd4/0x160\ndo_exit+0x8b0/0x22a0\ndo_group_exit+0xba/0x2a0\nget_signal+0x1e4a/0x25b0\narch_do_signal_or_restart+0x93/0x1f80\nexit_to_user_mode_prepare+0xf5/0x1a0\nsyscall_exit_to_user_mode+0x26/0x50\nret_from_fork+0x15/0x30",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6a98e3836fa2077b169f10a35c2ca9952d53f987",
              "status": "affected",
              "versionType": "git",
              "lessThan": "608901a77c945ac15dea23f6098c9882ef19d9f0"
            },
            {
              "version": "6a98e3836fa2077b169f10a35c2ca9952d53f987",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be586211a3ab40a4f4ca60450e0d31606afc55ec"
            },
            {
              "version": "6a98e3836fa2077b169f10a35c2ca9952d53f987",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1c66bee492a5fe00ae3fe890bb693bfc99f994c6"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.17"
            },
            {
              "version": "6.1.22",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}