CVE-2024-26886

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-26886
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: af_bluetooth: Fix deadlock Attemting to do sock_lock on .recvmsg may cause a deadlock as shown bellow, so instead of using sock_sock this uses sk_receive_queue.lock on bt_sock_ioctl to avoid the UAF: INFO: task kworker/u9:1:121 blocked for more than 30 seconds. Not tainted 6.7.6-lemon #183 Workqueue: hci0 hci_rx_work Call Trace: <TASK> __schedule+0x37d/0xa00 schedule+0x32/0xe0 __lock_sock+0x68/0xa0 ? __pfx_autoremove_wake_function+0x10/0x10 lock_sock_nested+0x43/0x50 l2cap_sock_recv_cb+0x21/0xa0 l2cap_recv_frame+0x55b/0x30a0 ? psi_task_switch+0xeb/0x270 ? finish_task_switch.isra.0+0x93/0x2a0 hci_rx_work+0x33a/0x3f0 process_one_work+0x13a/0x2f0 worker_thread+0x2f0/0x410 ? __pfx_worker_thread+0x10/0x10 kthread+0xe0/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK>

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/0625d7c240b307b78640dcd823cb738cb900a8ba
https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955
https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c
https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7
https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae
https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb
https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955
https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c
https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7
https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae
https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb
Configurations

No configuration.

History

04 Dec 2024, 18:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5
CWE CWE-416

21 Nov 2024, 09:03

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955 - () https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955 -
References () https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c - () https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c -
References () https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7 - () https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7 -
References () https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae - () https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae -
References () https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb - () https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb -

17 Nov 2024, 15:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/0625d7c240b307b78640dcd823cb738cb900a8ba -
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: Bluetooth: af_bluetooth: Reparar interbloqueo Intentar ejecutar sock_lock en .recvmsg puede causar un interbloqueo como se muestra a continuación, por lo que en lugar de usar sock_sock, usa sk_receive_queue.lock en bt_sock_ioctl para evitar el UAF: INFORMACIÓN: tarea kworker/u9:1:121 bloqueada durante más de 30 segundos. No contaminado 6.7.6-lemon #183 Cola de trabajo: hci0 hci_rx_work Seguimiento de llamadas: __schedule+0x37d/0xa00 Schedule+0x32/0xe0 __lock_sock+0x68/0xa0 ? __pfx_autoremove_wake_function+0x10/0x10 lock_sock_nested+0x43/0x50 l2cap_sock_recv_cb+0x21/0xa0 l2cap_recv_frame+0x55b/0x30a0 ? psi_task_switch+0xeb/0x270? terminar_task_switch.isra.0+0x93/0x2a0 hci_rx_work+0x33a/0x3f0 proceso_one_work+0x13a/0x2f0 trabajador_thread+0x2f0/0x410 ? __pfx_worker_thread+0x10/0x10 kthread+0xe0/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30

17 Apr 2024, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-04-17 11:15

Updated : 2024-12-04 18:15

NVD link : CVE-2024-26886

Mitre link : CVE-2024-26886

CVE.ORG link : CVE-2024-26886

JSON object : View

Products Affected

No product.

CWE
CWE-416

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