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

  - f2fs修正以避免 f2fs_evict_inode 中發生錯誤。因為 syzbot [1] 報告如下 R100000000000000100 R11
    0000000000000206 R1200007ffe17473450 R1300007f28b1c10854 R14000000000000dae5 R15: 00007ffe17474520 </TASK> --- --- --- [結束追踪 0000000000000000 ]=================== ============================================== 錯誤KASAN中的釋放後使用
    __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 工作 syz-executor/564 CPU於 addr ffff88812d962278 讀取大小為 8 CPU: 1 PID: 564 Comm: syz-executor 污染了 GW 6.1.129-syzkaller #0 硬體名稱Google Google Compute Engine/Google Compute Engine、BIOS Google 02/12/2025 呼叫追踪 <TASK>
    __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x158 lib/dump_stack.c:106 print_address_description+0x71/0x210 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c :427 kasan_report+0x122/0x150 mm/kasan/report.c:531 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351 __list_del_entry_valid+0xa6/0x130 lib/list_debug.c:62 __list_del_entry include/linux/list.h :134 [內嵌] list_del_init include/linux/list.h:206 [內嵌] f2fs_inode_synced+0xf7/0x2e0 fs/f2fs/super.c:1531 f2fs_update_inode+0x74/0x1c40 fs/f2fs/inode.c:585 f2fs_update_inode_page+0x137/ 0x170 fs/f2fs/inode.c:703 f2fs_write_inode+0x4ec/0x770 fs/f2fs/inode.c:731 write_inode fs/fs-writeback.c:1460 [內嵌] __writeback_single_inode+0x4a0/0xab0 fs/fs-writeback.c 1677 writeback_single_inode+0x221/0x8b0 fs/fs-writeback.c:1733 sync_inode_metadata+0xb6/0x110 fs/fs-writeback.c:2789 f2fs_sync_inode_meta+0x16d/0x2a0 fs/f2fs/checkpoint.c:1159 block_operations fs/f2fs/checkpoint. c:1269 [內嵌] f2fs_wr ite_checkpoint+0xca3/0x2100 fs/f2fs/checkpoint.c:1658 kill_f2fs_super+0x231/0x390 fs/f2fs/super.c:4668 deactivate_locked_super+0x98/0x100 fs/super.c:332 deactivate_super+0xaf/0xe0 fs/super.c :363 cleanup_mnt+0x45f/0x4e0 fs/namespace.c:1186
    __cleanup_mnt+0x19/0x20 fs/namespace.c:1193 task_work_run+0x1c6/0x230 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [內嵌] do_exit+0x9fb/0x2410 kernel/exit.c:871 do_group_exit +0x210/0x2d0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [內嵌]
    __se_sys_exit_group kernel/exit.c:1030 [內嵌] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030 x64_sys_call+0x7b4/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/ common.c:51 [內嵌] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP0033:0x7f28b1b8e169 程式碼無法存取 0x7f28b1b8e13f 的 opcode 位元組。RSP002b00007ffe174710a8 EFLAGS00000246 ORIG_RAX00000000000000e7 RAX
    ffffffffffffffda RBX: 00007f28b1c10879 RCX: 00007f28b1b8e169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000002 R08: 00007ffe1746ee47 R09: 00007ffe17472360 R10:
     R110000000000000009  : 0000000000000246 R12: 00007ffe17472360 R13: 00007f28b1c10854 R14: 000000000000dae5 R15: 00007ffe17474520 </TASK> Allocated by task 569: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4b/0x70 mm/kasan/ common.c:52 kasan_save_alloc_info+0x25/0x30 mm/kasan/generic.c:505
    __kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:328 kasan_slab_alloc include/linux/kasan.h:201 [內嵌] slab_post_alloc_hook+0x4f/0x2c0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [內嵌] slab_alloc mm/slub.c:3406 [內嵌] __kmem_cache_alloc_lru mm/slub.c:3413 [內嵌] kmem_cache_alloc_lru+0x104/0x220 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3245 [內嵌] f2fs_alloc_inode+0x2d /0x340 fs/f2fs/super.c:1419 alloc_inode fs/inode.c:261 [內嵌] iget_locked+0x186/0x880 fs/inode.c:1373 f2fs_iget+0x55/0x4c60 fs/f2fs/inode.c:483 f2fs_lookup+ 0x366/0xab0 fs/f2fs/namei.c:487
    __lookup_slow+0x2a3/0x3d0 fs/namei.c:1690 lookup_slow+0x57/0x70 fs/namei.c:1707 walk_component+0x2e6/0x410 fs/namei ---truncated--- (CVE-2025-38577)

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-2025-38577

medium Nessus Plugin ID 260087

版本 1.26