Updated: 2025-08-20 00:40:31.862446
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>
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | NONE | 0.0 |
| CVSS Version 3.x | MEDIUM | 5.3 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 5.3 | MEDIUM | Released | CLSA-2025:1743193221 | 2024-08-01 14:27:43 | |
| CentOS 6 ELS | kernel | 2.6.32 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| CentOS 7 ELS | kernel | 3.10.0 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| CentOS Stream 8 ELS | kernel | 4.18.0 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:19 | Ignored due to low severity | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| CloudLinux 7 ELS | kernel | 3.10.0 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:19 | Ignored due to low severity | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 5.3 | MEDIUM | Ignored | 2024-09-11 12:12:20 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.3 | MEDIUM | Released | CLSA-2024:1721664120 | 2024-07-22 14:23:58 |