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linux/net/sctp
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Eric Biggers 0b32ff285f sctp: Fix MAC comparison to be constant-time 
commit dd91c79e4f upstream.

To prevent timing attacks, MACs need to be compared in constant time.
Use the appropriate helper function for this.

Fixes: bbd0d59809 ("[SCTP]: Implement the receive and verification of AUTH chunk")
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Link: https://patch.msgid.link/20250818205426.30222-3-ebiggers@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-10-19 16:37:31 +02:00
..
associola.c sctp: Remove unused sctp_assoc_del_peer and sctp_chunk_iif 2025-05-05 16:51:12 -07:00
auth.c sctp: delete the nested flexible array hmac 2023-04-21 08:19:30 +01:00
bind_addr.c sctp: fail if no bound addresses can be used for a given scope 2023-01-24 18:32:33 -08:00
chunk.c net: sctp: chunk.c: delete duplicated word 2020-08-24 16:21:43 -07:00
debug.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
diag.c inet_diag: add module pointer to "struct inet_diag_handler" 2024-01-23 15:13:54 +01:00
endpointola.c sctp: add dif and sdif check in asoc and ep lookup 2022-11-18 11:42:54 +00:00
input.c sctp: linearize cloned gso packets in sctp_rcv 2025-08-08 13:08:06 -07:00
inqueue.c net: sctp: fix skb leak in sctp_inq_free() 2024-02-15 07:34:52 -08:00
ipv6.c sctp: initialize more fields in sctp_v6_from_sk() 2025-08-27 17:15:21 -07:00
Kconfig sctp: use skb_crc32c() instead of __skb_checksum() 2025-05-21 15:40:16 -07:00
Makefile sctp: add fair capacity stream scheduler 2023-03-09 11:31:44 +01:00
objcnt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
offload.c sctp: use skb_crc32c() instead of __skb_checksum() 2025-05-21 15:40:16 -07:00
output.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
outqueue.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
primitive.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
proc.c net: remove sock_i_uid() 2025-06-23 17:04:03 -07:00
protocol.c net: ipv4: Add a flags argument to iptunnel_xmit(), udp_tunnel_xmit_skb() 2025-06-17 18:18:44 -07:00
sm_make_chunk.c sctp: Fix MAC comparison to be constant-time 2025-10-19 16:37:31 +02:00
sm_sideeffect.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
sm_statefuns.c sctp: Fix MAC comparison to be constant-time 2025-10-19 16:37:31 +02:00
sm_statetable.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
socket.c net: make sk->sk_rcvtimeo lockless 2025-06-23 17:05:12 -07:00
stream.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
stream_interleave.c sctp: delete the nested flexible array skip 2023-04-21 08:19:29 +01:00
stream_sched.c sctp: fix a potential OOB access in sctp_sched_set_sched() 2023-05-10 12:10:15 +01:00
stream_sched_fc.c sctp: add weighted fair queueing stream scheduler 2023-03-09 11:31:44 +01:00
stream_sched_prio.c sctp: add a refcnt in sctp_stream_priorities to avoid a nested loop 2023-02-23 12:59:40 -08:00
stream_sched_rr.c sctp: delete free member from struct sctp_sched_ops 2022-12-01 20:14:23 -08:00
sysctl.c sctp: add mutual exclusion in proc_sctp_do_udp_port() 2025-04-02 16:04:19 -07:00
transport.c net: dst: annotate data-races around dst->obsolete 2025-07-02 14:32:29 -07:00
tsnmap.c net: sctp: trivial: fix typo in comment 2021-03-04 13:48:32 -08:00
ulpevent.c net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
ulpqueue.c sctp: remove unnecessary NULL check in sctp_ulpq_tail_event() 2022-10-20 21:43:10 -07:00