CVE-2024-53207

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