Eric DumazetandGreg Kroah-Hartman f189654459 arp: use RCU protection in arp_xmit() ...

[ Upstream commit a42b69f692 ]

arp_xmit() can be called without RTNL or RCU protection.

Use RCU protection to avoid potential UAF.

Fixes: 29a26a5680 ("netfilter: Pass struct net into the netfilter hooks")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20250207135841.1948589-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-02-21 13:50:08 +01:00

..

bpfilter

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netfilter

netfilter: fib: check correct rtable in vrf setups

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

af_inet.c

net: inet: do not leave a dangling sk pointer in inet_create()

2024-12-14 19:54:41 +01:00

ah4.c

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arp.c

arp: use RCU protection in arp_xmit()

2025-02-21 13:50:08 +01:00

bpf_tcp_ca.c

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cipso_ipv4.c

net: use unrcu_pointer() helper

2024-12-14 19:53:33 +01:00

datagram.c

ipv4: fix data-races around inet->inet_id

2023-08-30 16:11:02 +02:00

devinet.c

ipv4: use RCU protection in inet_select_addr()

2025-02-21 13:50:07 +01:00

esp4_offload.c

…

esp4.c

net: esp: cleanup esp_output_tail_tcp() in case of unsupported ESPINTCP

2024-08-03 08:49:03 +02:00

fib_frontend.c

ipv4: Mask upper DSCP bits and ECN bits in NETLINK_FIB_LOOKUP family

2024-10-17 15:21:38 +02:00

fib_lookup.h

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fib_notifier.c

…

fib_rules.c

…

fib_semantics.c

ipv4: fix source address selection with route leak

2024-08-03 08:49:31 +02:00

fib_trie.c

ipv4: Fix incorrect TOS in route get reply

2024-08-03 08:49:24 +02:00

fou.c

fou: fix initialization of grc

2024-09-18 19:23:05 +02:00

gre_demux.c

…

gre_offload.c

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icmp.c

ipv4: icmp: convert to dev_net_rcu()

2025-02-21 13:50:07 +01:00

igmp.c

ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet

2023-12-08 08:51:17 +01:00

inet_connection_sock.c

tcp: Fix use-after-free of nreq in reqsk_timer_handler().

2024-12-14 19:53:52 +01:00

inet_diag.c

sock_diag: allow concurrent operation in sock_diag_rcv_msg()

2024-12-14 19:53:33 +01:00

inet_fragment.c

inet: inet_defrag: prevent sk release while still in use

2024-04-10 16:28:23 +02:00

inet_hashtables.c

net: remove duplicate reuseport_lookup functions

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

inet_timewait_sock.c

tcp/dccp: do not care about families in inet_twsk_purge()

2024-08-29 17:30:44 +02:00

inetpeer.c

inetpeer: do not get a refcount in inet_getpeer()

2025-02-21 13:49:01 +01:00

ip_forward.c

…

ip_fragment.c

inetpeer: do not get a refcount in inet_getpeer()

2025-02-21 13:49:01 +01:00

ip_gre.c

ipv4: ip_gre: Fix drops of small packets in ipgre_xmit

2024-10-17 15:21:32 +02:00

ip_input.c

ipv4: ignore dst hint for multipath routes

2023-09-19 12:28:01 +02:00

ip_options.c

…

ip_output.c

net-timestamp: make sk_tskey more predictable in error path

2024-12-14 19:54:21 +01:00

ip_sockglue.c

ipmr: fix kernel panic when forwarding mcast packets

2024-02-05 20:13:00 +00:00

ip_tunnel_core.c

tunnels: fix out of bounds access when building IPv6 PMTU error

2024-02-16 19:06:26 +01:00

ip_tunnel.c

ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find()

2025-02-01 18:30:10 +01:00

ip_vti.c

ip_vti: fix potential slab-use-after-free in decode_session6

2023-08-23 17:52:32 +02:00

ipcomp.c

…

ipconfig.c

…

ipip.c

ipip,ip_tunnel,sit: Add FOU support for externally controlled ipip devices

2025-01-09 13:30:00 +01:00

ipmr_base.c

ipmr: do not call mr_mfc_uses_dev() for unres entries

2025-02-21 13:49:22 +01:00

ipmr.c

ipmr: fix tables suspicious RCU usage

2024-12-14 19:53:52 +01:00

Kconfig

…

Makefile

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metrics.c

…

netfilter.c

…

netlink.c

…

nexthop.c

net: nexthop: Initialize all fields in dumped nexthops

2024-08-03 08:49:50 +02:00

ping.c

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proc.c

icmp: Add counters for rate limits

2024-10-17 15:21:27 +02:00

protocol.c

…

raw_diag.c

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raw.c

ipv4: raw: Fix sending packets from raw sockets via IPsec tunnels

2024-03-26 18:21:00 -04:00

route.c

ipv4: use RCU protection in __ip_rt_update_pmtu()

2025-02-21 13:50:07 +01:00

syncookies.c

tcp: fix cookie_init_timestamp() overflows

2023-11-20 11:51:54 +01:00

sysctl_net_ipv4.c

tcp: enforce receive buffer memory limits by allowing the tcp window to shrink

2023-10-19 23:08:54 +02:00

tcp_bbr.c

…

tcp_bic.c

…

tcp_bpf.c

tcp_bpf: Add sk_rmem_alloc related logic for tcp_bpf ingress redirection

2025-01-02 10:30:48 +01:00

tcp_cdg.c

…

tcp_cong.c

…

tcp_cubic.c

tcp_cubic: fix incorrect HyStart round start detection

2025-02-21 13:49:06 +01:00

tcp_dctcp.c

tcp: Fix shift-out-of-bounds in dctcp_update_alpha().

2024-06-12 11:03:51 +02:00

tcp_dctcp.h

…

tcp_diag.c

…

tcp_fastopen.c

net: use unrcu_pointer() helper

2024-12-14 19:53:33 +01:00

tcp_highspeed.c

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tcp_htcp.c

…

tcp_hybla.c

…

tcp_illinois.c

…

tcp_input.c

net: fix memory leak in tcp_conn_request()

2025-01-09 13:30:00 +01:00

tcp_ipv4.c

tcp: Annotate data-race around sk->sk_mark in tcp_v4_send_reset

2025-01-17 13:34:39 +01:00

tcp_lp.c

…

tcp_metrics.c

tcp_metrics: validate source addr length

2024-07-11 12:47:11 +02:00

tcp_minisocks.c

tcp: do not export tcp_twsk_purge()

2024-08-29 17:30:51 +02:00

tcp_nv.c

…

tcp_offload.c

net: drop bad gso csum_start and offset in virtio_net_hdr

2024-08-29 17:30:54 +02:00

tcp_output.c

tcp: check space before adding MPTCP SYN options

2024-12-19 18:08:48 +01:00

tcp_rate.c

…

tcp_recovery.c

tcp: fix excessive TLP and RACK timeouts from HZ rounding

2023-10-25 12:03:06 +02:00

tcp_scalable.c

…

tcp_timer.c

tcp: fix race in tcp_write_err()

2024-08-03 08:49:04 +02:00

tcp_ulp.c

…

tcp_vegas.c

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tcp_vegas.h

…

tcp_veno.c

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tcp_westwood.c

…

tcp_yeah.c

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tcp.c

net: use unrcu_pointer() helper

2024-12-14 19:53:33 +01:00

tunnel4.c

…

udp_bpf.c

…

udp_diag.c

…

udp_impl.h

…

udp_offload.c

gso: fix udp gso fraglist segmentation after pull from frag_list

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

udp_tunnel_core.c

udp: lockless UDP_ENCAP_L2TPINUDP / UDP_GRO

2024-01-10 17:10:28 +01:00

udp_tunnel_nic.c

…

udp_tunnel_stub.c

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udp.c

udp: gso: do not drop small packets when PMTU reduces

2025-02-21 13:49:36 +01:00

udplite.c

…

xfrm4_input.c

xfrm: Preserve vlan tags for transport mode software GRO

2024-05-17 11:56:10 +02:00

xfrm4_output.c

…

xfrm4_policy.c

xfrm: respect ip protocols rules criteria when performing dst lookups

2024-11-01 01:56:03 +01:00

xfrm4_protocol.c

…

xfrm4_state.c

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xfrm4_tunnel.c

…