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linux/net/sctp
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Eric Biggers 8019b36992 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 16:33:53 +02:00
..
associola.c net/sctp: Prevent autoclose integer overflow in sctp_association_init() 2025-01-09 13:33:51 +01:00
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 2025-08-20 18:30:18 +02:00
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() 2025-09-04 15:31:51 +02:00
Kconfig sctp: create udp4 sock and add its encap_rcv 2020-10-30 15:23:52 -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 net: move gso declarations and functions to their own files 2023-06-10 00:11:41 -07:00
output.c net: allow gso_max_size to exceed 65536 2022-05-16 10:18:55 +01:00
outqueue.c sctp: delete the nested flexible array variable 2023-04-21 08:19:29 +01:00
primitive.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 104 2019-05-24 17:39:00 +02:00
proc.c sctp: annotate data-races around sk->sk_wmem_queued 2023-08-31 11:56:59 +02:00
protocol.c sctp: Unmask upper DSCP bits in sctp_v4_get_dst() 2024-09-09 14:14:53 +01:00
sm_make_chunk.c sctp: Fix MAC comparison to be constant-time 2025-10-19 16:33:53 +02:00
sm_sideeffect.c sctp: handle invalid error codes without calling BUG() 2023-06-12 09:36:27 +01:00
sm_statefuns.c sctp: Fix MAC comparison to be constant-time 2025-10-19 16:33:53 +02:00
sm_statetable.c sctp: add the probe timer in transport for PLPMTUD 2021-06-22 11:28:52 -07:00
socket.c sctp: Do not wake readers in __sctp_write_space() 2025-06-27 11:11:29 +01:00
stream.c sctp: Fix undefined behavior in left shift operation 2025-03-22 12:54:19 -07:00
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() 2025-04-10 14:39:34 +02:00
transport.c sctp: detect and prevent references to a freed transport in sendmsg 2025-04-20 10:15:50 +02:00
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