Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 藍牙SCO修正 sco_conn_free 上的 UAF 錯誤KASANsco_conn_free net/bluetooth/sco.c:87 中的 slab 釋放後使用 [內嵌] 錯誤 KASAN kref_put include/linux 中的 slab 釋放後使用/kref.h:65 [內嵌] 錯誤KASAN由作業 kworker/u17:4/ 在 sco_conn_put+0xdd/0x410 net/bluetooth/sco.c:107 中寫入大小為 8 的 8 到 ffff88811cb96b50 中發生平台釋放後使用352 CPU1 UID0 PID352 通訊kworker/u17:4 未受污染 6.17.0-rc5-g717368f83676 #4 PREEMPT(自發) 硬體名稱QEMU Standard PC (i440FX + PIIX、1996)、BIOS 1.15.0-1 04 /01/2014 工作佇列hci13 hci_cmd_sync_work 呼叫追踪 <TASK> __dump_stack lib/dump_stack.c:94 [內嵌] dump_stack_lvl+0x10b/0x170 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [內嵌] 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 [內嵌] kref_put include/linux/kref.h:65 [內嵌] 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 [內嵌] 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+0xb6/0 /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 [內嵌] 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> 由工作 31370 kasan_save_stack mm/kasan/common.c:47 配置 [內嵌] kasan_save_track+0x30/0x70 mm/kasan/common.c:68poison_kmalloc_redzone mm/kasan/common.c:388 [內嵌] __kasan_kmalloc+0x82/0x90 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:260 [內嵌] __do_kmalloc_node mm/slub.c:4382 [內嵌] __kmall oc_noprof+0x22f/0x390 mm/slub.c:4394 kmalloc_noprof include/linux/slab.h:909 [內嵌] 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 [內嵌] 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 [內嵌] __sys_socket_create net/socket.c:1684 [內嵌] __sys_socket+0xd5/0x330 net/socket .c:1731
    __do_sys_socket net/socket.c:1745 [內嵌] __se_sys_socket net/socket.c:1743 [內嵌]
    __x64_sys_socket+0x7a/0x90 net/socket.c:1743 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [內嵌] do_syscall_64+0xc7/0x240 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f 已釋放工作 31374kasan_save_stack mm/kasan/common.c:47 [內嵌] kasan_save_track+0x30/0x70 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576 pox_slab_object mm/kasan/common .c:243 [內嵌]
    __kasan_slab_free+0x3d/0x50 mm/kasan/common.c:275 kasan_slab_free include/linux/kasan.h:233 [內嵌] slab_free_hook mm/slub.c:2428 [內嵌] slab_free mm/slub.c:4701 [內嵌] kfree +0x199/0x3b0 mm/slub.c:4900 sk_prot_free net/core/sock.c:2278 [內嵌] __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 [內嵌] 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 [內嵌] s ---truncated--- (CVE-2025-40309)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

偵測

Linux Distros 未修補的弱點：CVE-2025-40309

medium Nessus Plugin ID 277665

版本 1.24