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。

  - ipv6修正 inet6_addr_del() 中的釋放後使用錯誤。 syzbot 報告 inet6_addr_del() 中的 inet6_ifaddr 存在釋放後使用。 [0] 引用的認可在讀取其 ifp->flags 以取得 inet6_addr_del() 中的暫時位址之前意外移動了 mngtmpaddr 的 ipv6_del_addr()。讓我們下移 ipv6_del_addr() 以修正 UAF。 [0]: 錯誤KASAN由工作 syz.3.1618/9593 在 inet6_addr_del.constprop.0+0x67a/0x6b0 net/ipv6/addrconf.c:3117 讀取 addr ffff88807b89c86c 的大小 4 4 CPU: 0 UID0 PID9593 Commsyz.3.1618 未受污染的 syzkaller #0 PREEMPT(完整) 硬體名稱Google Google Compute Engine/Google Compute Engine、BIOS Google 2025 年 10 月 25 日呼叫追踪 <TASK> __dump_stack lib/dump_stack。 c:94 [內嵌] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [內嵌] print_report+0xcd/0x630 mm/kasan/report.c:482 kasan_report+0xe0/0x110 mm/kasan/report.c:595 inet6_addr_del.constprop.0+0x67a/0x6b0 net/ipv6/addrconf.c:3117 addrconf_del_ifaddr+0x11e/0x190 net/ipv6/addrconf.c:3181 inet6_ioctl+0x1e5/0x2b0 net/ipv6/ af_inet6.c:582 sock_do_ioctl+0x118/0x280 net/socket.c:1254 sock_ioctl+0x227/0x6b0 net/socket.c:1375 vfs_ioctl fs/ioctl.c:51 [內嵌] __do_sys_ioctl fs/ioctl.c:597 [內嵌] __se_sys_ioctl fs/ioctl.c:583 [內嵌] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [內嵌] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP0033:0x7f164cf8f749 程式碼ff ff c3 66 2e 0 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 713 01 c3 48 c7 ff ff ff f7 d8 64 89 01 48 RSP
    002b:00007f164de64038 EFLAGS00000246 ORIG_RAX: 0000000000000010 RAXffffffffffffffda RBX
    00007f164d1e5fa0 RCX: 00007f164cf8f749 RDX: 0000200000000000 RSI: 0000000000008936 RDI: 0000000000000003 RBP: 00007f164d013f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11:
     R120000000000000246  : 0000000000000000 R13: 00007f164d1e6038 R14: 00007f164d1e5fa0 R15: 00007ffde15c8288 </TASK> Allocated by task 9593: kasan_save_stack+0x33/0x60 mm/kasan/common.c:56 kasan_save_track+0x14/0x30 mm/kasan/common.c :77毒子_kmalloc_redzone mm/kasan/common.c:397 [內嵌] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:414 kmalloc_noprof include/linux/slab.h:957 [內嵌] kzalloc_noprof include/linux/slab.h :1094 [內嵌] ipv6_add_addr+0x4e3/0x2010 net/ipv6/addrconf.c:1120 inet6_addr_add+0x256/0x9b0 net/ipv6/addrconf.c:3050 addrconf_add_ifaddr+0x1fc/0x450 net/ipv6/addrconf.c:3160 inet6_ioctl+0103x /0x2b0 net/ipv6/af_inet6.c:580 sock_do_ioctl+0x118/0x280 net/socket.c:1254 sock_ioctl+0x227/0x6b0 net/socket.c:1375 vfs_ioctl fs/ioctl.c:51 [內嵌] __do_sys_ioctl fs/ioctl .c:597 [內嵌] __se_sys_ioctl fs/ioctl.c:583 [內嵌] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [內嵌] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCAL L_64_after_hwframe+0x77/0x7f 已由工作 6099 釋放
    kasan_save_stack+0x33/0x60 mm/kasan/common.c:56 kasan_save_track+0x14/0x30 mm/kasan/common.c:77 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:584 pulp_slab_object mm/kasan/common.c :252 [內嵌]
    __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [內嵌] slab_free_hook mm/slub.c:2540 [內嵌] slab_free_freelist_hook mm/slub.c:2569 [內嵌] slab_free_bulk mm/slub.c:6696 [內嵌] kmem_cache_free_bulk mm/slub.c:7383 [內嵌] kmem_cache_free_bulk+0x2bf/0x680 mm/slub.c:7362 kfree_bulk include/linux/slab.h:830 [內嵌] kvfree_rcu_bulk+0x1b7/ 0x1e0 mm/slab_common.c:1523 kvfree_rcu_drain_ready mm/slab_common.c:1728 [內嵌] kfree_rcu_monitor+0x1d0/0x2f0 mm/slab_common.c:1801 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqu ---truncated--- (CVE-2026-23010)

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-2026-23010

high Nessus Plugin ID 296539

版本 1.1