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防止 rt6_probe() 中可能發生的 NULL 解除參照。syzbot 在 rt6_probe() 中發現 NULL 解除參照 [1] 如果 __in6_dev_get() 傳回 NULL則結束。 [1] Oops一般保護錯誤可能是針對非正式位址 0xdffffc00000000cb0000 [#1] PREEMPT SMP KASAN PTI KASAN null-ptr-deref in range [0x0000000000000658-0x000000000000065f] CPU1 PID 22444 syzPID executor.0 未受污染 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 硬體名稱Google Google Compute Engine/Google Compute Engine、BIOS Google 04/02/2024 RIP0010rt6_probe net/ipv6/route.c 656 [內嵌] RIP
    0010:find_match+0x8c4/0xf50 net/ipv6/route.c:758 代碼14 fd f7 48 8b 85 38 ff ff ff 48 c7 45 b0 00 00 00 00 48 8d b8 5c 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 19 RSP: 0018:ffffc900034af070 EFLAGS: 00010203 RAX000000000000000000000000000000000
    0000000000000000 RCX: ffffc90004521000 RDX: 00000000000000cb RSI: ffffffff8990d0cd RDI: 000000000000065c RBP: ffffc900034af150 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11:
     R120000000000000002  : 000000000000000a R13: 1ffff92000695e18 R14: ffff8880244a1d20 R15: 0000000000000000 FS: 00007f4844a5a6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31b27000 CR3: 000000002d42c000 CR4: 00000000003506f0 DR0
    0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> rt6_nh_find_match+0xfa/0x1a0 net/ipv6/route.c:784 nexthop_for_each_fib6_nh+0x26d/0x4a0 net/ipv4/nexthop.c:1496 __find_rr_leaf +0x6e7/0xe00 net/ipv6/route.c:825 find_rr_leaf net/ipv6/route.c:853 [內嵌] rt6_select net/ipv6/route.c:897 [內嵌] fib6_table_lookup+0x57e/0xa30 net/ipv6/route。 c:2195 ip6_pol_route+0x1cd/0x1150 net/ipv6/route.c:2231 pol_lookup_func include/net/ip6_fib.h:616 [內嵌] fib6_rule_lookup+0x386/0x720 net/ipv6/fib6_rules.c:121 ip6_route_output_flags_noref net/ipv6/route .c:2639 [內嵌] ip6_route_output_flags+0x1d0/0x640 net/ipv6/route.c:2651 ip6_dst_lookup_tail.constprop.0+0x961/0x1760 net/ipv6/ip6_output.c:1147 ip6_dst_lookup_flow+0x99/0x1d0 net/ipv6/ip6_output。 c:1250 rawv6_sendmsg+0xdab/0x4340 net/ipv6/raw.c:898 inet_sendmsg+0x119/0x140 net/ipv4/af_inet.c:853 sock_sendmsg_nosec net/socket.c:730 [內嵌]
    __sock_sendmsg net/socket.c:745 [內嵌] sock_write_iter+0x4b8/0x5c0 net/socket.c:1160 new_sync_write fs/read_write.c:497 [內嵌] vfs_write+0x6b6/0x1140 fs/read_write.c:590 ksys_write+0x1f8/ 0x260 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:52 [內嵌] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f (CVE-2024-40960)

請注意，Nessus 依賴供應商報告的套件存在。

偵測

Linux Distros 未修補的弱點：CVE-2024-40960

medium Nessus Plugin ID 228448

版本 1.10