Florian Westphal 5877fa143d netfilter: nft_fwd_netdev: check ttl/hl before forwarding ...

[ Upstream commit 1dfd95bdf4 ]

Drop packets if their ttl/hl is too small for forwarding.

Fixes: d32de98ea7 ("netfilter: nft_fwd_netdev: allow to forward packets via neighbour layer")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2026-06-01 17:39:08 +02:00

..

ipset

netfilter: ipset: drop logically empty buckets in mtype_del

2026-04-11 14:16:31 +02:00

ipvs

ipvs: fix ipv4 null-ptr-deref in route error path

2026-01-11 15:18:42 +01:00

core.c

netfilter: let reset rules clean out conntrack entries

2024-03-06 14:45:08 +00:00

Kconfig

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Makefile

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nf_conncount.c

netfilter: nf_conncount: fix tracking of connections from localhost

2026-03-04 07:19:40 -05:00

nf_conntrack_acct.c

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nf_conntrack_amanda.c

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nf_conntrack_bpf.c

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nf_conntrack_broadcast.c

netfilter: nf_conntrack_expect: store netns and zone in expectation

2026-04-11 14:16:22 +02:00

nf_conntrack_core.c

netfilter: nf_conntrack: fix crash due to removal of uninitialised entry

2025-07-24 08:51:53 +02:00

nf_conntrack_ecache.c

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nf_conntrack_expect.c

netfilter: nf_conntrack_expect: store netns and zone in expectation

2026-04-11 14:16:22 +02:00

nf_conntrack_extend.c

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nf_conntrack_ftp.c

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nf_conntrack_h323_asn1.c

netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

2026-03-25 11:03:21 +01:00

nf_conntrack_h323_main.c

netfilter: nf_conntrack_expect: honor expectation helper field

2026-04-11 14:16:22 +02:00

nf_conntrack_h323_types.c

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nf_conntrack_helper.c

netfilter: nf_conntrack_expect: use expect->helper

2026-04-11 14:16:22 +02:00

nf_conntrack_irc.c

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nf_conntrack_labels.c

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nf_conntrack_netbios_ns.c

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nf_conntrack_netlink.c

netfilter: conntrack: add missing netlink policy validations

2026-06-01 17:38:35 +02:00

nf_conntrack_pptp.c

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nf_conntrack_proto_dccp.c

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nf_conntrack_proto_generic.c

netfilter: nf_conntrack: Add allow_clash to generic protocol handler

2026-03-04 07:20:26 -05:00

nf_conntrack_proto_gre.c

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nf_conntrack_proto_icmp.c

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nf_conntrack_proto_icmpv6.c

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nf_conntrack_proto_sctp.c

netfilter: conntrack: add missing netlink policy validations

2026-06-01 17:38:35 +02:00

nf_conntrack_proto_tcp.c

netfilter: ctnetlink: use netlink policy range checks

2026-04-11 14:16:09 +02:00

nf_conntrack_proto_udp.c

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nf_conntrack_proto.c

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nf_conntrack_sane.c

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nf_conntrack_seqadj.c

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nf_conntrack_sip.c

netfilter: nf_conntrack_expect: use expect->helper

2026-04-11 14:16:22 +02:00

nf_conntrack_snmp.c

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nf_conntrack_standalone.c

netfilter: conntrack: Bound nf_conntrack sysctl writes

2025-06-04 14:40:07 +02:00

nf_conntrack_tftp.c

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nf_conntrack_timeout.c

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nf_conntrack_timestamp.c

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nf_dup_netdev.c

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nf_flow_table_core.c

netfilter: nft_flow_offload: release dst in case direct xmit path is used

2024-03-01 13:26:37 +01:00

nf_flow_table_inet.c

netfilter: flowtable: validate vlan header

2024-08-29 17:30:47 +02:00

nf_flow_table_ip.c

netfilter: flowtable: validate vlan header

2024-08-29 17:30:47 +02:00

nf_flow_table_offload.c

netfilter: flowtable: strictly check for maximum number of actions

2026-04-11 14:16:21 +02:00

nf_flow_table_procfs.c

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nf_hooks_lwtunnel.c

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nf_internals.h

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nf_log_syslog.c

netfilter: propagate net to nf_bridge_get_physindev

2024-01-25 15:27:51 -08:00

nf_log.c

netfilter: replace -EEXIST with -EBUSY

2026-02-11 13:37:22 +01:00

nf_nat_amanda.c

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nf_nat_bpf.c

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nf_nat_core.c

minmax: add in_range() macro

2025-10-02 13:40:41 +02:00

nf_nat_ftp.c

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nf_nat_helper.c

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nf_nat_irc.c

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nf_nat_masquerade.c

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nf_nat_proto.c

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nf_nat_redirect.c

netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses

2023-11-20 11:52:17 +01:00

nf_nat_sip.c

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nf_nat_tftp.c

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nf_queue.c

netfilter: propagate net to nf_bridge_get_physindev

2024-01-25 15:27:51 -08:00

nf_sockopt.c

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nf_synproxy_core.c

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nf_tables_api.c

nf_tables: nft_dynset: fix possible stateful expression memleak in error path

2026-06-01 17:38:38 +02:00

nf_tables_core.c

netfilter: nf_tables: set transport offset from mac header for netdev/egress

2024-01-10 17:10:21 +01:00

nf_tables_offload.c

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nf_tables_trace.c

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nfnetlink_acct.c

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nfnetlink_cthelper.c

netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()

2026-03-25 11:03:04 +01:00

nfnetlink_cttimeout.c

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nfnetlink_hook.c

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nfnetlink_log.c

netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator

2026-06-01 17:38:34 +02:00

nfnetlink_osf.c

nfnetlink_osf: validate individual option lengths in fingerprints

2026-03-25 11:03:22 +01:00

nfnetlink_queue.c

netfilter: nfnetlink_queue: fix entry leak in bridge verdict error path

2026-03-25 11:03:04 +01:00

nfnetlink.c

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nft_bitwise.c

netfilter: reject zero shift in nft_bitwise

2026-06-01 17:38:52 +02:00

nft_byteorder.c

netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval()

2023-11-28 17:07:05 +00:00

nft_chain_filter.c

netfilter: nf_tables: honor table dormant flag from netdev release event path

2024-05-02 16:29:26 +02:00

nft_chain_nat.c

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nft_chain_route.c

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nft_cmp.c

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nft_compat.c

netfilter: nf_tables: missing objects with no memcg accounting

2026-03-25 11:03:25 +01:00

nft_connlimit.c

netfilter: nf_conncount: make nf_conncount_gc_list() to disable BH

2026-03-04 07:19:40 -05:00

nft_counter.c

netfilter: nft_counter: fix reset of counters on 32bit archs

2026-03-04 07:19:44 -05:00

nft_ct.c

netfilter: nft_ct: fix use-after-free in timeout object destroy

2026-04-18 10:35:57 +02:00

nft_dup_netdev.c

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nft_dynset.c

nf_tables: nft_dynset: fix possible stateful expression memleak in error path

2026-06-01 17:38:38 +02:00

nft_exthdr.c

netfilter: nft_exthdr: fix offset with ipv4_find_option()

2025-03-28 21:58:50 +01:00

nft_fib_inet.c

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nft_fib_netdev.c

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nft_fib.c

netfilter: nft_fib: allow from forward/input without iif selector

2024-06-12 11:03:58 +02:00

nft_flow_offload.c

netfilter: flowtable: check for maximum number of encapsulations in bridge vlan

2026-01-11 15:18:32 +01:00

nft_fwd_netdev.c

netfilter: nft_fwd_netdev: check ttl/hl before forwarding

2026-06-01 17:39:08 +02:00

nft_hash.c

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nft_immediate.c

netfilter: nf_tables: pass nft_chain to destroy function, not nft_ctx

2025-05-22 14:10:09 +02:00

nft_last.c

netfilter: nf_tables: allow clone callbacks to sleep

2024-08-14 13:53:03 +02:00

nft_limit.c

netfilter: nf_tables: allow clone callbacks to sleep

2024-08-14 13:53:03 +02:00

nft_log.c

netfilter: nf_tables: missing objects with no memcg accounting

2026-03-25 11:03:25 +01:00

nft_lookup.c

netfilter: nf_tables: missing iterator type in lookup walk

2024-09-30 16:23:54 +02:00

nft_masq.c

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nft_meta.c

netfilter: nf_tables: missing objects with no memcg accounting

2026-03-25 11:03:25 +01:00

nft_nat.c

netfilter: nf_tables: validate NFPROTO_* family

2024-01-31 16:17:06 -08:00

nft_numgen.c

netfilter: nf_tables: missing objects with no memcg accounting

2026-03-25 11:03:25 +01:00

nft_objref.c

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nft_osf.c

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nft_payload.c

netfilter: nft_payload: sanitize offset and length before calling skb_checksum()

2024-11-08 16:26:42 +01:00

nft_queue.c

…

nft_quota.c

netfilter: nft_quota: match correctly when the quota just depleted

2025-06-27 11:07:10 +01:00

nft_range.c

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nft_redir.c

netfilter: nft_redir: use struct nf_nat_range2 throughout and deduplicate eval call-backs

2023-11-20 11:52:17 +01:00

nft_reject_inet.c

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nft_reject_netdev.c

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nft_reject.c

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nft_rt.c

netfilter: nf_tables: validate NFPROTO_* family

2024-01-31 16:17:06 -08:00

nft_set_bitmap.c

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nft_set_hash.c

netfilter: nft_set_hash: fix get operation on big endian

2026-03-04 07:19:43 -05:00

nft_set_pipapo_avx2.c

netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry

2026-06-01 17:38:32 +02:00

nft_set_pipapo_avx2.h

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nft_set_pipapo.c

netfilter: nft_set_pipapo: do not rely on ZERO_SIZE_PTR

2026-04-18 10:35:57 +02:00

nft_set_pipapo.h

netfilter: nft_set_pipapo: split gc into unlink and reclaim phase

2026-03-25 11:03:23 +01:00

nft_set_rbtree.c

netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets

2026-03-04 07:19:44 -05:00

nft_socket.c

netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level

2024-12-14 19:54:20 +01:00

nft_synproxy.c

netfilter: nft_synproxy: avoid possible data-race on update operation

2026-01-17 16:39:30 +01:00

nft_tproxy.c

netfilter: nf_tables: validate NFPROTO_* family

2024-01-31 16:17:06 -08:00

nft_tunnel.c

netfilter: nf_tables: missing objects with no memcg accounting

2026-03-25 11:03:25 +01:00

nft_xfrm.c

netfilter: nf_tables: validate NFPROTO_* family

2024-01-31 16:17:06 -08:00

utils.c

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x_tables.c

netfilter: x_tables: restrict xt_check_match/xt_check_target extensions for NFPROTO_ARP

2026-04-11 14:16:22 +02:00

xt_addrtype.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_AUDIT.c

…

xt_bpf.c

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xt_cgroup.c

netfilter: x_tables: ensure names are nul-terminated

2026-04-11 14:16:21 +02:00

xt_CHECKSUM.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_CLASSIFY.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_cluster.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_comment.c

…

xt_connbytes.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_connlabel.c

…

xt_connlimit.c

netfilter: nf_conncount: rework API to use sk_buff directly

2026-01-11 15:18:32 +01:00

xt_connmark.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_CONNSECMARK.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_conntrack.c

…

xt_cpu.c

…

xt_CT.c

netfilter: xt_CT: drop pending enqueued packets on template removal

2026-03-25 11:03:21 +01:00

xt_dccp.c

netfilter: x_tables: guard option walkers against 1-byte tail reads

2026-03-25 11:03:04 +01:00

xt_devgroup.c

…

xt_dscp.c

…

xt_DSCP.c

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xt_ecn.c

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xt_esp.c

…

xt_hashlimit.c

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xt_helper.c

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xt_hl.c

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xt_HL.c

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xt_HMARK.c

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xt_IDLETIMER.c

netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels

2026-03-25 11:03:04 +01:00

xt_ipcomp.c

…

xt_iprange.c

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xt_ipvs.c

…

xt_l2tp.c

…

xt_LED.c

netfilter: x_tables: fix LED ID check in led_tg_check()

2024-12-14 19:54:20 +01:00

xt_length.c

netfilter: use skb_ip_totlen and iph_totlen

2024-01-10 17:10:21 +01:00

xt_limit.c

…

xt_LOG.c

…

xt_mac.c

…

xt_mark.c

netfilter: xtables: fix typo causing some targets not to load on IPv6

2024-11-01 01:56:04 +01:00

xt_MASQUERADE.c

…

xt_multiport.c

netfilter: xt_multiport: validate range encoding in checkentry

2026-06-01 17:38:34 +02:00

xt_nat.c

…

xt_NETMAP.c

…

xt_nfacct.c

netfilter: xt_nfacct: don't assume acct name is null-terminated

2025-08-15 12:05:00 +02:00

xt_NFLOG.c

netfilter: xtables: fix typo causing some targets not to load on IPv6

2024-11-01 01:56:04 +01:00

xt_NFQUEUE.c

…

xt_osf.c

…

xt_owner.c

netfilter: xt_owner: Fix for unsafe access of sk->sk_socket

2023-12-13 18:39:11 +01:00

xt_physdev.c

netfilter: propagate net to nf_bridge_get_physindev

2024-01-25 15:27:51 -08:00

xt_pkttype.c

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xt_policy.c

…

xt_quota.c

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xt_rateest.c

netfilter: x_tables: ensure names are nul-terminated

2026-04-11 14:16:21 +02:00

xt_RATEEST.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_realm.c

…

xt_recent.c

netfilter: xt_recent: fix (increase) ipv6 literal buffer length

2023-11-20 11:52:17 +01:00

xt_REDIRECT.c

netfilter: nft_redir: use struct nf_nat_range2 throughout and deduplicate eval call-backs

2023-11-20 11:52:17 +01:00

xt_repldata.h

…

xt_sctp.c

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xt_SECMARK.c

netfilter: xtables: avoid NFPROTO_UNSPEC where needed

2024-10-17 15:22:22 +02:00

xt_set.c

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xt_socket.c

netfilter: xt_socket: enable defrag after all other checks

2026-06-01 17:39:07 +02:00

xt_state.c

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xt_statistic.c

…

xt_string.c

…

xt_tcpmss.c

netfilter: xt_tcpmss: check remaining length before reading optlen

2026-03-04 07:20:27 -05:00

xt_TCPMSS.c

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xt_TCPOPTSTRIP.c

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xt_tcpudp.c

netfilter: x_tables: guard option walkers against 1-byte tail reads

2026-03-25 11:03:04 +01:00

xt_TEE.c

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xt_time.c

netfilter: xt_time: use unsigned int for monthday bit shift

2026-03-25 11:03:21 +01:00

xt_TPROXY.c

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xt_TRACE.c

netfilter: xtables: fix typo causing some targets not to load on IPv6

2024-11-01 01:56:04 +01:00

xt_u32.c

…