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。

  - ipv6避免 rt6_uncached_list_flush_dev() 中可能的空取消引用如 syzbot 发现的一样归责提交意外删除了对 rt->rt6i_idev 是否为空的检查Oops一般保护错误可能针对非规范地址 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN范围 [0x0000000000000000-0x000000000000007] CPU: 1 UID: 0 PID: 10998 Comm: syz-executor 未受感染 6.11.0-rc6-syzkaller-00208-g625403177711 #0 Google 硬件名称Google 计算引擎/Google 计算引擎、BIOS Google 08/06/2024 RIP: 0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [内联] RIP
    0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914 代码41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 24 18 49 39 06 RSP: 0018:ffffc900047374e0 EFLAGS: 00010246 RAX:
    0000000000000000 RBX: 1ffff1100fdf8f33 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88807efc78c0 RBP: ffffc900047375d0 R08: 0000000000000003 R09: fffff520008e6e8c R10:
     R11dffffc0000000000  : fffff520008e6e8c R12: 1ffff1100fdf8f18 R13: ffff88807efc7998 R14: 0000000000000000 R15: ffff88807efc7930 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002a80 CR3: 0000000022f62000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3:0000000000000000 DR3:00000000000000000000
    00000000fffe0ff0 DR70000000000000400 调用跟踪 <TASK> addrconf_ifdown+0x15d/0x1bd0 net/ipv6/addrconf.c:3856 addrconf_notify+0x3cb/0x1020 notifier_call_chain+0x19f/0x3e0 kernel/notifier_extcore.notifier:93 call_netdevice_net [inline] call_netdevice_notifiers net/core/dev.c:2046 [inline] unregister_netdevice_many_notify+0xd81/0x1c40 net/core/dev.c:11352 unregister_netdevice_many net/core/dev.c:11414 [inline] unregister_netdevice_queue+0x303/0x370 net/ core/dev.c:11289 unregister_netdevice include/linux/netdevice.h:3129 [内联] __tun_detach+0x6b9/0x1600 drivers/net/tun.c:685 tun_detach drivers/net/tun.c:701 [内联] tun_chr_close+0x108 /0x1b0 drivers/net/tun.c:3510 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [内联] do_exit+ 0xa2f/0x27f0 kernel/exit.c:882 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 __do_sys_exit_group kernel/exit.c:1042 [inline] __se_sys_exit_group kernel/exit.c:1040 [内联] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [内联] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP0033:0x7f1acc77def9 代码无法访问 0x7f1acc77decf 中的操作码字节。RSP002b:00007ffeb26fa738 EFLAGS00000246 ORIG_RAX: 00000000000000e7 RAX
    ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1acc77def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 RBP: 00007f1acc7dd508 R08: 00007ffeb26f84d7 R09: 0000000000000003 R10:
     R110000000000000000  : 0000000000000246 R12: 0000000000000001 R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffeb26fa8e0 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP:
    0010:rt6_uncached_list_flush_dev net/ipv6/route.c:177 [inline] RIP0010:rt6_disable_ip+0x33e/0x7e0 net/ipv6/route.c:4914 代码41 80 3c 04 00 74 0a e8 90 d0 9b f7 48 8b 7c 24 08 48 8b 07 48 89 44 24 10 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 64 d0 9b f7 48 8b 44 494 18 RSP0018:ffffc900047374e0 EFLAGS00010246 RAX0000000000000000 RBX1ffff1100fdf8f33 RCX
    dffffc0000000000 RDX0000000000000000 RSI0000000000000004 RDIffff88807efc78c0 R ---truncated--- (CVE-2024-47707)

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-2024-47707

medium Nessus 插件 ID 228470

版本 1.24