🛡️ CVE-2024-53207 — kernel

🟠 CVSS 7.8 — High ✅ No Known Exploit NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Bluetooth: MGMT: Fix possible deadlocks

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>

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

CVE-2024-53207 is recorded against 2 packages.

  • kernel (from 6.12.0 up to 6.12.2)
  • linux-kernel (from 6.12 up to 6.12.2)

Timeline and source

Published on 27 December 2024 and last revised on 6 August 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
lists.debian.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

CVE-2024-53207 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity High
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2024-12-27
Updated 2026-08-12
Modified 2026-08-06

Affected Packages

Software From version Fixed in
kernel 6.12.0 6.12.2
linux-kernel 6.12 6.12.2

Similar Threats

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