cbcvebase.
CVE-2022-50447
published 2025-10-01

CVE-2022-50447: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix crash on hci_create_cis_sync When attempting to connect multiple…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.15%
4.7th percentile
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix crash on hci_create_cis_sync When attempting to connect multiple ISO sockets without using DEFER_SETUP may result in the following crash: BUG: KASAN: null-ptr-deref in hci_create_cis_sync+0x18b/0x2b0 Read of size 2 at addr 0000000000000036 by task kworker/u3:1/50 CPU: 0 PID: 50 Comm: kworker/u3:1 Not tainted 6.0.0-rc7-02243-gb84a13ff4eda #4373 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-1.fc36 04/01/2014 Workqueue: hci0 hci_cmd_sync_work Call Trace: dump_stack_lvl+0x19/0x27 kasan_report+0xbc/0xf0 ? hci_create_cis_sync+0x18b/0x2b0 hci_create_cis_sync+0x18b/0x2b0 ? get_link_mode+0xd0/0xd0 ? __ww_mutex_lock_slowpath+0x10/0x10 ? mutex_lock+0xe0/0xe0 ? get_link_mode+0xd0/0xd0 hci_cmd_sync_work+0x111/0x190 process_one_work+0x427/0x650 worker_thread+0x87/0x750 ? process_one_work+0x650/0x650 kthread+0x14e/0x180 ? kthread_exit+0x50/0x50 ret_from_fork+0x22/0x30

Affected

11 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.4-1 (bookworm)linux 6.1.4-1 (bookworm)
linuxlinux
linuxlinux>= 26afbd826ee326e63a334c37fd45e82e50a615ec < a190cd9dc62d6ebeb679c1abe9dda4162dfefc84a190cd9dc62d6ebeb679c1abe9dda4162dfefc84
linuxlinux>= 26afbd826ee326e63a334c37fd45e82e50a615ec < 09a3b0c9c7c6b10587fbb610b718014703cff34109a3b0c9c7c6b10587fbb610b718014703cff341
linuxlinux>= 26afbd826ee326e63a334c37fd45e82e50a615ec < 50757a259ba78c4e938b5735e76ffec6cd0c942e50757a259ba78c4e938b5735e76ffec6cd0c942e
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 0 < 6.1.4-16.1.4-1
linuxlinux_kernel>= 6.0 < 6.0.166.0.16
linuxlinux_kernel>= 6.1 < 6.1.26.1.2
pythonpillow>= 0 < 10.2.010.2.0

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
ghsa9.8CRITICAL
osv5.5MEDIUM
vendor_redhat9.8CRITICAL
vendor_debian5.5MEDIUM
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