CVE-2024-26886

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 58/100
Published: 2024-04-17 Modified: 2026-10-30 First seen: 2026-10-30 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

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>

Weakness Classification (1)

Affected Software (13)

VendorProductVersion
Linux Linux 2b16d960c79abc397f102c3d23d30005b68cb036 < 60673f442984fe689d4127a5dd4be414247b3d67
Linux Linux 37f71e2c9f515834841826f4eb68ec33cfb2a1ff < 0309acebc4b3884bfda332558bb8a1df052f4f39
Linux Linux 1d576c3a5af850bf11fbd103f9ba11aa6d6061fb < 64be3c6154886200708da0dfe259705fb992416c
Linux Linux 2e07e8348ea454615e268222ae3fc240421be768 < 817e8138ce86001b2fa5c63d6ede756e205a01f7
Linux Linux 2e07e8348ea454615e268222ae3fc240421be768 < 2c9e2df022ef8b9d7fac58a04a2ef4ed25288955
Linux Linux 2e07e8348ea454615e268222ae3fc240421be768 < f7b94bdc1ec107c92262716b073b3e816d4784fb
Linux Linux db1b14eec8c61a20374de9f9c2ddc6c9406a8c42
Linux Linux 5.15.146 < 5.15.209
Linux Linux 6.1.70 < 6.1.191
Linux Linux 6.6.9 < 6.6.23
Linux Linux 5.10.206 < 5.11
Linux Linux 6.7
linux linux_kernel 5.10.206 – 5.11

Bug Bounty Relevance

58 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.49%
Raw Score 0.004890
Percentile 42.1%
Date 2026-10-30

EPSS Trend

2026-10-30
0.00489
2026-10-29
0.00489

Intelligence Sources

mitre ref →
nvd ref →