{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-47685", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-09-30T16:00:12.941Z", "datePublished": "2024-10-21T11:53:26.486Z", "dateUpdated": "2024-11-08T15:56:12.844Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:56:12.844Z"}, "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->res1)\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---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/netfilter/nf_reject_ipv6.c"], "versions": [{"version": "c8d7b98bec43", "lessThan": "872eca64c326", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "7bcbc4cda777", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "dcf48ab3ca2c", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "fbff87d682e5", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "7ea2bcfd9bf4", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "af4b8a704f26", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "7a7b5a27c53b", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "10210658f827", "status": "affected", "versionType": "git"}, {"version": "c8d7b98bec43", "lessThan": "9c778fe48d20", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/netfilter/nf_reject_ipv6.c"], "versions": [{"version": "3.18", "status": "affected"}, {"version": "0", "lessThan": "3.18", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.323", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.285", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.227", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.168", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.113", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.54", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.10.13", "lessThanOrEqual": "6.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.11.2", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12-rc1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "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-9e1c9544281a"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47685", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-21T13:06:45.955918Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:14:16.073Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47685", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-21T13:06:45.955918Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:06:49.245Z"}}], "cna": {"title": "netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c8d7b98bec43", "lessThan": "872eca64c326", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "7bcbc4cda777", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "dcf48ab3ca2c", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "fbff87d682e5", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "7ea2bcfd9bf4", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "af4b8a704f26", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "7a7b5a27c53b", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "10210658f827", "versionType": "git"}, {"status": "affected", "version": "c8d7b98bec43", "lessThan": "9c778fe48d20", "versionType": "git"}], "programFiles": ["net/ipv6/netfilter/nf_reject_ipv6.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.18"}, {"status": "unaffected", "version": "0", "lessThan": "3.18", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.323", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.285", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.227", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.168", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.113", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.54", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.10.13", "versionType": "semver", "lessThanOrEqual": "6.10.*"}, {"status": "unaffected", "version": "6.11.2", "versionType": "semver", "lessThanOrEqual": "6.11.*"}, {"status": "unaffected", "version": "6.12-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/ipv6/netfilter/nf_reject_ipv6.c"], "defaultStatus": "affected"}], "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"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "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->res1)\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": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-08T15:56:12.844Z"}}}, "cveMetadata": {"cveId": "CVE-2024-47685", "state": "PUBLISHED", "dateUpdated": "2024-11-08T15:56:12.844Z", "dateReserved": "2024-09-30T16:00:12.941Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T11:53:26.486Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5C882E98-F19D-47B6-A807-73BB9ABA763C", "versionEndExcluding": "5.10.227", "versionStartIncluding": "3.18", "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->res1)\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->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": "2024-11-08T16:15:25.083", "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"], "url": "https://git.kernel.org/stable/c/10210658f827ad45061581cbfc05924b723e8922"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a7b5a27c53b55e91eecf646d1b204e73fa4af93"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "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", "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"], "url": "https://git.kernel.org/stable/c/dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-908"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()", "id": "2320268", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320268"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnetfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()\nsyzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending\ngarbage on the four reserved tcp bits (th->res1)\nUse skb_put_zero() to clear the whole TCP header,\nas done in nf_reject_ip_tcphdr_put()\nBUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\nnf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255\nnf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\nnft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\nexpr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\nnft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\nnft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\nnf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\nnf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\nnf_hook include/linux/netfilter.h:269 [inline]\nNF_HOOK include/linux/netfilter.h:312 [inline]\nipv6_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\nprocess_backlog+0x4ad/0xa50 net/core/dev.c:6108\n__napi_poll+0xe7/0x980 net/core/dev.c:6772\nnapi_poll net/core/dev.c:6841 [inline]\nnet_rx_action+0xa5a/0x19b0 net/core/dev.c:6963\nhandle_softirqs+0x1ce/0x800 kernel/softirq.c:554\n__do_softirq+0x14/0x1a kernel/softirq.c:588\ndo_softirq+0x9a/0x100 kernel/softirq.c:455\n__local_bh_enable_ip+0x9f/0xb0 kernel/softirq.c:382\nlocal_bh_enable include/linux/bottom_half.h:33 [inline]\nrcu_read_unlock_bh include/linux/rcupdate.h:908 [inline]\n__dev_queue_xmit+0x2692/0x5610 net/core/dev.c:4450\ndev_queue_xmit include/linux/netdevice.h:3105 [inline]\nneigh_resolve_output+0x9ca/0xae0 net/core/neighbour.c:1565\nneigh_output include/net/neighbour.h:542 [inline]\nip6_finish_output2+0x2347/0x2ba0 net/ipv6/ip6_output.c:141\n__ip6_finish_output net/ipv6/ip6_output.c:215 [inline]\nip6_finish_output+0xbb8/0x14b0 net/ipv6/ip6_output.c:226\nNF_HOOK_COND include/linux/netfilter.h:303 [inline]\nip6_output+0x356/0x620 net/ipv6/ip6_output.c:247\ndst_output include/net/dst.h:450 [inline]\nNF_HOOK include/linux/netfilter.h:314 [inline]\nip6_xmit+0x1ba6/0x25d0 net/ipv6/ip6_output.c:366\ninet6_csk_xmit+0x442/0x530 net/ipv6/inet6_connection_sock.c:135\n__tcp_transmit_skb+0x3b07/0x4880 net/ipv4/tcp_output.c:1466\ntcp_transmit_skb net/ipv4/tcp_output.c:1484 [inline]\ntcp_connect+0x35b6/0x7130 net/ipv4/tcp_output.c:4143\ntcp_v6_connect+0x1bcc/0x1e40 net/ipv6/tcp_ipv6.c:333\n__inet_stream_connect+0x2ef/0x1730 net/ipv4/af_inet.c:679\ninet_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\nx64_sys_call+0x27a5/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:43\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f\nUninit was stored to memory at:\nnf_reject_ip6_tcphdr_put+0x60c/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:249\nnf_send_reset6+0xd84/0x15b0 net/ipv6/netfilter/nf_reject_ipv6.c:344\nnft_reject_inet_eval+0x3c1/0x880 net/netfilter/nft_reject_inet.c:48\nexpr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]\nnft_do_chain+0x438/0x22a0 net/netfilter/nf_tables_core.c:288\nnft_do_chain_inet+0x41a/0x4f0 net/netfilter/nft_chain_filter.c:161\nnf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]\nnf_hook_slow+0xf4/0x400 net/netfilter/core.c:626\nnf_hook include/linux/netfilter.h:269 [inline]\nNF_HOOK include/linux/netfilter.h:312 [inline]\nipv6_rcv+0x29b/0x390 net/ipv6/ip6_input.c:310\n__netif_receive_skb_one_core\n---truncated---"], "name": "CVE-2024-47685", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47685\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47685\nhttps://lore.kernel.org/linux-cve-announce/2024102109-CVE-2024-47685-af1e@gregkh/T"], "threat_severity": "Moderate"}