{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-47685", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-47685", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-10-21T11:53:26.486Z", "updatedAt": "2026-10-15T00:51:19.540Z", "importedAt": "2026-10-24T01:57:16.009Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put()", "summary": "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": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "872eca64c3267dbc5836b715716fc6c03a18eda7" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "7bcbc4cda777d26c88500d973fad0d497fc8a82e" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "dcf48ab3ca2c55b09c8f9c8de0df01c1943bc4e5" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "fbff87d682e57ddbbe82abf6d0a1a4a36a98afcd" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "7ea2bcfd9bf4c3dbbf22546162226fd1c14d8ad2" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "af4b8a704f26f38310655bad67fd8096293275a2" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "7a7b5a27c53b55e91eecf646d1b204e73fa4af93" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "10210658f827ad45061581cbfc05924b723e8922" }, { "version": "c8d7b98bec43faaa6583c3135030be5eb4693acb", "status": "affected", "versionType": "git", "lessThan": "9c778fe48d20ef362047e3376dee56d77f8500d4" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.18", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.18" }, { "version": "4.19.323", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.285", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.227", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.168", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.113", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.54", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.10.13", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.10.*" }, { "version": "6.11.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.11.*" }, { "version": "6.12", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }