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CVE-2024-53207Bluetooth: MGMT: Fix possible deadlocks

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix possible deadlocks This fixes possible deadlocks like the following caused by hci_cmd_sync_dequeue causing the destroy function to run: INFO: task kworker/u19:0:143 blocked for more than 120 seconds. Tainted: G W O 6.8.0-2024-03-19-intel-next-iLS-24ww14 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u19:0 state:D stack:0 pid:143 tgid:143 ppid:2 flags:0x00004000 Workqueue: hci0 hci_cmd_sync_work [bluetooth] Call Trace: <TASK> __schedule+0x374/0xaf0 schedule+0x3c/0xf0 schedule_preempt_disabled+0x1c/0x30 __mutex_lock.constprop.0+0x3ef/0x7a0 __mutex_lock_slowpath+0x13/0x20 mutex_lock+0x3c/0x50 mgmt_set_connectable_complete+0xa4/0x150 [bluetooth] ? kfree+0x211/0x2a0 hci_cmd_sync_dequeue+0xae/0x130 [bluetooth] ? __pfx_cmd_complete_rsp+0x10/0x10 [bluetooth] cmd_complete_rsp+0x26/0x80 [bluetooth] mgmt_pending_foreach+0x4d/0x70 [bluetooth] __mgmt_power_off+0x8d/0x180 [bluetooth] ? _raw_spin_unlock_irq+0x23/0x40 hci_dev_close_sync+0x445/0x5b0 [bluetooth] hci_set_powered_sync+0x149/0x250 [bluetooth] set_powered_sync+0x24/0x60 [bluetooth] hci_cmd_sync_work+0x90/0x150 [bluetooth] process_one_work+0x13e/0x300 worker_thread+0x2f7/0x420 ? __pfx_worker_thread+0x10/0x10 kthread+0x107/0x140 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x3d/0x60 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK>

Timeline

  1. ID reserved

    By Linux

  2. · 38 days later

    Published

  3. · 20 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2024-53207, by who scored it
Scored byCVSSScoreVector
LinuxCNA (assigner)3.1High7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.18% · top 93% of all CVEs (15 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Affected products

  • Linux · Linux

    • affected 19b40ca62607cef78369549d1af091f2fd558931 – < c3f594a3473d6429a0bcf2004cb2885368741b79
    • affected 4883296505aa7e4863c6869b689afb6005633b23 – < 5703fb1d85f653e35b327b14de4db7da239e4fd9
    • affected 8c3f7943a29145d8a2d8e24893762f7673323eae – < 6a25ce9b4af6dc26ee2b9c32d6bd37620bf9739e
    • affected f53e1c9c726d83092167f2226f32bd3b73f26c21 – < cac34e44281f1f1bd842adbbcfe3ef9ff0905111
    • affected f53e1c9c726d83092167f2226f32bd3b73f26c21 – < a66dfaf18fd61bb75ef8cee83db46b2aadf153d0
    • affected 0cc47233af35fb5f10b5e6a027cb4ccd480caf9a
    • affected 6.6.55 – < 6.6.64
    • affected 6.11.3 – < 6.11.11
    • affected 6.10.14 – < 6.11

  • Linux · Linux

    • affected 6.12
    • unaffected < 6.12
    • unaffected 6.6.64 – ≤ 6.6.*
    • unaffected 6.11.11 – ≤ 6.11.*
    • unaffected 6.12.2 – ≤ 6.12.*
    • unaffected 6.13 – ≤ *

References

References6

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .