Vulnerability-Lookup

FKIE_CVE-2024-47685

Vulnerability from fkie_nvd - Published: 2024-10-21 12:15 - Updated: 2025-11-18 15:36

Severity ?

9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [inline] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [inline] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/softirq.c:455 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline] __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450 dev_queue_xmit include/linux/netdevice.h:3105 [inline] neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565 neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline] ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226 NF_HOOK_COND include/linux/netfilter.h:303 [inline] ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247 dst_output include/net/dst.h:450 [inline] NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366 inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline] tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143 tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333 __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679 inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750 __sys_connect_file net/socket.c:2061 [inline] __sys_connect+0x606/0x690 net/socket.c:2078 __do_sys_connect net/socket.c:2088 [inline] __se_sys_connect net/socket.c:2085 [inline] __x64_sys_connect+0x91/0xe0 net/socket.c:2085 x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK include/linux/netfilter.h:312 [inline] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core ---truncated---

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/10210658f827ad45061581cbfc05924b723e8922	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7a7b5a27c53b55e91eecf646d1b204e73fa4af93	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7bcbc4cda777d26c88500d973fad0d497fc8a82e	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/872eca64c3267dbc5836b715716fc6c03a18eda7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9c778fe48d20ef362047e3376dee56d77f8500d4	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/af4b8a704f26f38310655bad67fd8096293275a2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html	Mailing List, Third Party Advisory

Impacted products

Vendor	Product	Version
debian	debian_linux	11.0
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4CF15846-AEEF-4FBF-BED3-18AFD682270F",
              "versionEndExcluding": "4.19.323",
              "versionStartIncluding": "3.18",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B5A89369-320F-47FC-8695-56F61F87E4C0",
              "versionEndExcluding": "5.4.285",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "795A3EE6-0CAB-4409-A903-151C94ACECC0",
              "versionEndExcluding": "5.10.227",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "4D51C05D-455B-4D8D-89E7-A58E140B864C",
              "versionEndExcluding": "5.15.168",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D01BD22E-ACD1-4618-9D01-6116570BE1EE",
              "versionEndExcluding": "6.1.113",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D448821D-C085-4CAF-88FA-2DDE7BE21976",
              "versionEndExcluding": "6.6.54",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "CE94BB8D-B0AB-4563-9ED7-A12122B56EBE",
              "versionEndExcluding": "6.10.13",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181",
              "versionEndExcluding": "6.11.2",
              "versionStartIncluding": "6.11",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()\n\nsyzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending\ngarbage on the four reserved tcp bits (th-\u003eres1)\n\nUse skb_put_zero() to clear the whole TCP header,\nas done in nf_reject_ip_tcphdr_put()\n\nBUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n  nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n  nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n  nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n  expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n  nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n  nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n  nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n  nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n  nf_hook include/linux/netfilter.h:269 [inline]\n  NF_HOOK include/linux/netfilter.h:312 [inline]\n  ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n  __netif_receive_skb_one_core net/core/dev.c:5661 [inline]\n  __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775\n  process_backlog+0x4ad/0xa50 net/core/dev.c:6108\n  __napi_poll+0xe7/0x980 net/core/dev.c:6772\n  napi_poll net/core/dev.c:6841 [inline]\n  net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963\n  handle_softirqs+0x1ce/0x800 kernel/softirq.c:554\n  __do_softirq+0x14/0x1a kernel/softirq.c:588\n  do_softirq+0x9a/0x100 kernel/softirq.c:455\n  __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382\n  local_bh_enable include/linux/bottom_half.h:33 [inline]\n  rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]\n  __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450\n  dev_queue_xmit include/linux/netdevice.h:3105 [inline]\n  neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565\n  neigh_output include/net/neighbour.h:542 [inline]\n  ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141\n  __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]\n  ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226\n  NF_HOOK_COND include/linux/netfilter.h:303 [inline]\n  ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247\n  dst_output include/net/dst.h:450 [inline]\n  NF_HOOK include/linux/netfilter.h:314 [inline]\n  ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366\n  inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135\n  __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466\n  tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\n  tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143\n  tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333\n  __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679\n  inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750\n  __sys_connect_file net/socket.c:2061 [inline]\n  __sys_connect+0x606/0x690 net/socket.c:2078\n  __do_sys_connect net/socket.c:2088 [inline]\n  __se_sys_connect net/socket.c:2085 [inline]\n  __x64_sys_connect+0x91/0xe0 net/socket.c:2085\n  x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was stored to memory at:\n  nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249\n  nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n  nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n  expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n  nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n  nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n  nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n  nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n  nf_hook include/linux/netfilter.h:269 [inline]\n  NF_HOOK include/linux/netfilter.h:312 [inline]\n  ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n  __netif_receive_skb_one_core\n---truncated---"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: nf_reject_ipv6: correcci\u00f3n de nf_reject_ip6_tcphdr_put() syzbot inform\u00f3 que nf_reject_ip6_tcphdr_put() posiblemente estaba enviando basura en los cuatro bits tcp reservados (th-\u0026gt;res1) Utilice skb_put_zero() para borrar todo el encabezado TCP, como se hace en nf_reject_ip_tcphdr_put() ERROR: KMSAN: valor no inicializado en nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 evaluaci\u00f3n_operaciones_llamada_expr net/netfilter/nf_tables_core.c:240 [en l\u00ednea] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn incluye/linux/netfilter.h:154 [en l\u00ednea] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook incluye/linux/netfilter.h:269 [en l\u00ednea] NF_HOOK incluye/linux/netfilter.h:312 [en l\u00ednea] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core net/core/dev.c:5661 [en l\u00ednea] __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775 process_backlog+0x4ad/0xa50 net/core/dev.c:6108 __napi_poll+0xe7/0x980 net/core/dev.c:6772 napi_poll net/core/dev.c:6841 [en l\u00ednea] net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963 handle_softirqs+0x1ce/0x800 kernel/softirq.c:554 __do_softirq+0x14/0x1a kernel/softirq.c:588 do_softirq+0x9a/0x100 kernel/softirq.c:455 __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [en l\u00ednea] rcu_read_unlock_bh incluir/linux/rcupdate.h:908 [en l\u00ednea] __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450 dev_queue_xmit incluir/linux/netdevice.h:3105 [en l\u00ednea] neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565 neigh_output incluir/net/neighbour.h:542 [en l\u00ednea] ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141 __ip6_finish_output net/ipv6/ip6_output.c:215 [en l\u00ednea] ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226 NF_HOOK_COND incluye/linux/netfilter.h:303 [en l\u00ednea] ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247 dst_output incluye/net/dst.h:450 [en l\u00ednea] NF_HOOK incluye/linux/netfilter.h:314 [en l\u00ednea] ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366 inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466 tcp_transmit_skb net/ipv4/tcp_output.c:1484 [en l\u00ednea] tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143 tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333 __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679 inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750 __sys_connect_file net/socket.c:2061 [en l\u00ednea] __sys_connect+0x606/0x690 net/socket.c:2078 __do_sys_connect net/socket.c:2088 [en l\u00ednea] __se_sys_connect net/socket.c:2085 [en l\u00ednea] __x64_sys_connect+0x91/0xe0 net/socket.c:2085 x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit se almacen\u00f3 en la memoria en: nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249 nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344 nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48 evaluaci\u00f3n_operaciones_llamada_expr net/netfilter/nf_tables_core.c:240 [en l\u00ednea] nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288 nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161 nf_hook_entry_hookfn incluye/linux/netfilter.h:154 [en l\u00ednea] nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626 nf_hook incluye/linux/netfilter.h:269 [en l\u00ednea] NF_HOOK incluye/linux/netfilter.h:312 [en l\u00ednea] ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310 __netif_receive_skb_one_core ---truncado---"
    }
  ],
  "id": "CVE-2024-47685",
  "lastModified": "2025-11-18T15:36:36.730",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-10-21T12:15:05.397",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
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    },
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      "tags": [
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    {
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      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/7bcbc4cda777d26c88500d973fad0d497fc8a82e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/872eca64c3267dbc5836b715716fc6c03a18eda7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9c778fe48d20ef362047e3376dee56d77f8500d4"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/af4b8a704f26f38310655bad67fd8096293275a2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-47685 (GCVE-0-2024-47685)

Vulnerability from cvelistv5 – Published: 2024-10-21 11:53 – Updated: 2025-11-03 22:20

Title

netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/872eca64c3267dbc5…
	https://git.kernel.org/stable/c/7bcbc4cda777d26c8…
	https://git.kernel.org/stable/c/dcf48ab3ca2c55b09…
	https://git.kernel.org/stable/c/fbff87d682e57ddbb…
	https://git.kernel.org/stable/c/7ea2bcfd9bf4c3dbb…
	https://git.kernel.org/stable/c/af4b8a704f26f3831…
	https://git.kernel.org/stable/c/7a7b5a27c53b55e91…
	https://git.kernel.org/stable/c/10210658f827ad450…
	https://git.kernel.org/stable/c/9c778fe48d20ef362…

Impacted products

Vendor

Product

Version

Linux

Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 872eca64c3267dbc5836b715716fc6c03a18eda7 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 7bcbc4cda777d26c88500d973fad0d497fc8a82e (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < af4b8a704f26f38310655bad67fd8096293275a2 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 7a7b5a27c53b55e91eecf646d1b204e73fa4af93 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 10210658f827ad45061581cbfc05924b723e8922 (git)
Affected: c8d7b98bec43faaa6583c3135030be5eb4693acb , < 9c778fe48d20ef362047e3376dee56d77f8500d4 (git)

Linux

Affected: 3.18
Unaffected: 0 , < 3.18 (semver)
Unaffected: 4.19.323 , ≤ 4.19.* (semver)
Unaffected: 5.4.285 , ≤ 5.4.* (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
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                "id": "CVE-2024-47685",
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                    "Automatable": "no"
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                  {
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                "role": "CISA Coordinator",
                "timestamp": "2024-10-21T13:06:45.955918Z",
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          "programFiles": [
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      "cpeApplicability": [
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                  "versionEndExcluding": "4.19.323",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "5.4.285",
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                  "vulnerable": true
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                {
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                  "versionEndExcluding": "5.10.227",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "5.15.168",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.113",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.54",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.10.13",
                  "versionStartIncluding": "3.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                {
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                  "versionEndExcluding": "6.12",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()\n\nsyzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending\ngarbage on the four reserved tcp bits (th-\u003eres1)\n\nUse skb_put_zero() to clear the whole TCP header,\nas done in nf_reject_ip_tcphdr_put()\n\nBUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n  nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\n  nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n  nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n  expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n  nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n  nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n  nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n  nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n  nf_hook include/linux/netfilter.h:269 [inline]\n  NF_HOOK include/linux/netfilter.h:312 [inline]\n  ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n  __netif_receive_skb_one_core net/core/dev.c:5661 [inline]\n  __netif_receive_skb+0x1da/0xa00 net/core/dev.c:5775\n  process_backlog+0x4ad/0xa50 net/core/dev.c:6108\n  __napi_poll+0xe7/0x980 net/core/dev.c:6772\n  napi_poll net/core/dev.c:6841 [inline]\n  net_rx_action+0xa5a/0x19b0 net/core/dev.c:6963\n  handle_softirqs+0x1ce/0x800 kernel/softirq.c:554\n  __do_softirq+0x14/0x1a kernel/softirq.c:588\n  do_softirq+0x9a/0x100 kernel/softirq.c:455\n  __local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382\n  local_bh_enable include/linux/bottom_half.h:33 [inline]\n  rcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]\n  __dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450\n  dev_queue_xmit include/linux/netdevice.h:3105 [inline]\n  neigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565\n  neigh_output include/net/neighbour.h:542 [inline]\n  ip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141\n  __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]\n  ip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226\n  NF_HOOK_COND include/linux/netfilter.h:303 [inline]\n  ip6_output+0x356/0x620 net/ipv6/ip6_output.c:247\n  dst_output include/net/dst.h:450 [inline]\n  NF_HOOK include/linux/netfilter.h:314 [inline]\n  ip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366\n  inet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135\n  __tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466\n  tcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\n  tcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143\n  tcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333\n  __inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679\n  inet_stream_connect+0x6a/0xd0 net/ipv4/af_inet.c:750\n  __sys_connect_file net/socket.c:2061 [inline]\n  __sys_connect+0x606/0x690 net/socket.c:2078\n  __do_sys_connect net/socket.c:2088 [inline]\n  __se_sys_connect net/socket.c:2085 [inline]\n  __x64_sys_connect+0x91/0xe0 net/socket.c:2085\n  x64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43\n  do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n  do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nUninit was stored to memory at:\n  nf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249\n  nf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\n  nft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\n  expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\n  nft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\n  nft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\n  nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\n  nf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\n  nf_hook include/linux/netfilter.h:269 [inline]\n  NF_HOOK include/linux/netfilter.h:312 [inline]\n  ipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n  __netif_receive_skb_one_core\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T09:37:14.167Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/872eca64c3267dbc5836b715716fc6c03a18eda7"
        },
        {
          "url": "https://git.kernel.org/stable/c/7bcbc4cda777d26c88500d973fad0d497fc8a82e"
        },
        {
          "url": "https://git.kernel.org/stable/c/dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2"
        },
        {
          "url": "https://git.kernel.org/stable/c/af4b8a704f26f38310655bad67fd8096293275a2"
        },
        {
          "url": "https://git.kernel.org/stable/c/7a7b5a27c53b55e91eecf646d1b204e73fa4af93"
        },
        {
          "url": "https://git.kernel.org/stable/c/10210658f827ad45061581cbfc05924b723e8922"
        },
        {
          "url": "https://git.kernel.org/stable/c/9c778fe48d20ef362047e3376dee56d77f8500d4"
        }
      ],
      "title": "netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-47685",
    "datePublished": "2024-10-21T11:53:26.486Z",
    "dateReserved": "2024-09-30T16:00:12.941Z",
    "dateUpdated": "2025-11-03T22:20:52.270Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2024-47685

CVE-2024-47685 (GCVE-0-2024-47685)

Tags

Sightings

Nomenclature