Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - BluetoothSCO修复 sco_conn_free 上的 UAF BUGKASAN: sco_conn_free net/bluetooth/sco.c:87 中的 slab-use-after-free [内联] BUG: KASAN: kref_put include/linux 中的 slab-use-after-free /kref.h:65 [内联] BUG: KASANsco_conn_put+0xdd/0x410 net/bluetooth/sco.c:107 中 addr ffff88811cb96b50 处的 slab-use-after-free net/bluetooth/sco.c:107 大小为 8 的写入由任务 kworker/u17:4/ 执行352 CPU1 UID 0 PID 352 Commkworker/u17:4 Not tainted 6.17.0-rc5-g717368f83676 #4 PREEMPT可选硬件名称QEMU Standard PC (i440FX + PIIX, 1996)BIOS 1.15.0-1 04 /01/2014 工作队列hci13 hci_cmd_sync_work 调用跟踪 <TASK> __dump_stack lib/dump_stack.c:94 [内联] dump_stack_lvl+0x10b/0x170 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [内联] print_report +0x191/0x550 mm/kasan/report.c:482 kasan_report+0xc4/0x100 mm/kasan/report.c:595 sco_conn_free net/bluetooth/sco.c:87 [inline] kref_put include/linux/kref.h:65 [inline] sco_conn_put+0xdd/0x410 net/bluetooth/sco.c:107 sco_connect_cfm+0xb4/0xae0 net/bluetooth/sco.c 1441 hci_connect_cfm include/net/bluetooth/hci_core.h:2082 [inline] hci_conn_failed+0x20a/0x2e0 net/bluetooth/hci_conn.c:1313 hci_conn_unlink+0x55f/0x810 net/bluetooth/hci_conn.c:1121 hci_conn_del+0x11b6/0x1110 net /bluetooth/hci_conn.c:1147 hci_abort_conn_sync+0x8c5/0xbb0 net/bluetooth/hci_sync.c:5689 hci_cmd_sync_work+0x281/0x380 net/bluetooth/hci_sync.c:332 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x77e /0x1040 kernel/workqueue.c:3319 worker_thread+0xbee/0x1200 kernel/workqueue.c:3400 kthread+0x3c7/0x870 kernel/kthread.c:463 ret_from_fork+0x13a/0x1e0 arch/x86/kernel/process.c:148 ret_from_fork_asm +0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> 由任务分配 31370kasan_save_stack mm/kasan/common.c:47 [内联] kasan_save_track+0x30/0x70 mm/kasan/common.c:68毒害_kmalloc_redzone mm/kasan/common.c:388 [内联] __kasan_kmalloc+0x82/0x90 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:260 [内联] __do_kmalloc_node mm/slub.c:4382 [内联] __kmall oc_noprof+0x22f/0x390 mm/slub.c:4394 kmalloc_noprof include/linux/slab.h:909 [内联] sk_prot_alloc+0xae/0x220 net/core/sock.c:2239 sk_alloc+0x34/0x5a0 net/core/sock。 c:2295 bt_sock_alloc+0x3c/0x330 net/bluetooth/af_bluetooth.c:151 sco_sock_alloc net/bluetooth/sco.c:562 [inline] sco_sock_create+0xc0/0x350 net/bluetooth/sco.c:593 bt_sock_create+0x161/0x3b0 net /bluetooth/af_bluetooth.c:135 __sock_create+0x3ad/0x780 net/socket.c:1589 sock_create net/socket.c:1647 [inline] __sys_socket_create net/socket.c:1684 [inline] __sys_socket+0xd5/0x330 net/socket .c:1731
    __do_sys_socket net/socket.c:1745 [内联] __se_sys_socket net/socket.c:1743 [内联]
    __x64_sys_socket+0x7a/0x90 net/socket.c:1743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [内联] do_syscall_64+0xc7/0x240 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f 由任务 31374kasan_save_stack mm/kasan/common.c:47 [内联] kasan_save_track+0x30/0x70 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576毒害_slab_object mm/kasan/common .c:243 [内联]
    __kasan_slab_free+0x3d/0x50 mm/kasan/common.c:275 kasan_slab_free include/linux/kasan.h:233 [内联] slab_free_hook mm/slub.c:2428 [内联] slab_free mm/slub.c:4701 [内联] kfree +0x199/0x3b0 mm/slub.c:4900 sk_prot_free net/core/sock.c:2278 [内联] __sk_destruct+0x4aa/0x630 net/core/sock.c:2373 sco_sock_release+0x2ad/0x300 net/bluetooth/sco.c 1333 __sock_release net/socket.c:649 [inline] sock_close+0xb8/0x230 net/socket.c:1439 __fput+0x3d1/0x9e0 fs/file_table.c:468 task_work_run+0x206/0x2a0 kernel/task_work.c:227 get_signal +0x1201/0x1410 kernel/signal.c:2807 arch_do_signal_or_restart+0x34/0x740 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x68/0xc0 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry- common.h:225 [inline] s ---truncated--- (CVE-2025-40309]

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2025-40309

medium Nessus 插件 ID 277665

版本 1.13