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linux/net/tipc
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Tuong Lien 31e4ccc99e tipc: fix use-after-free in tipc_disc_rcv() 
In the function 'tipc_disc_rcv()', the 'msg_peer_net_hash()' is called
to read the header data field but after the message skb has been freed,
that might result in a garbage value...

This commit fixes it by defining a new local variable to store the data
first, just like the other header fields' handling.

Fixes: f73b12812a ("tipc: improve throughput between nodes in netns")
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-10 17:45:04 -08:00
..
addr.c tipc: initialise addr_trail_end when setting node addresses 2019-08-11 21:40:04 -07:00
addr.h
bcast.c tipc: fix potential hanging after b/rcast changing 2019-12-10 17:45:04 -08:00
bcast.h tipc: update replicast capability for broadcast send link 2019-11-22 09:29:50 -08:00
bearer.c tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
bearer.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
core.c tipc: fix ordering of tipc module init and exit routine 2019-12-06 12:01:09 -08:00
core.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
crypto.c tipc: fix update of the uninitialized variable err 2019-11-11 22:04:03 -08:00
crypto.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
diag.c
discover.c tipc: fix use-after-free in tipc_disc_rcv() 2019-12-10 17:45:04 -08:00
discover.h
eth_media.c
group.c tipc: clean up skb list lock handling on send path 2019-08-18 14:01:07 -07:00
group.h
ib_media.c
Kconfig tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
link.c tipc: update replicast capability for broadcast send link 2019-11-22 09:29:50 -08:00
link.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
Makefile tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
monitor.c tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
msg.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
name_distr.c tipc: improve throughput between nodes in netns 2019-10-29 17:55:38 -07:00
name_distr.h
name_table.c tipc: fix name table rbtree issues 2019-12-10 17:45:04 -08:00
name_table.h tipc: support in-order name publication events 2019-11-22 09:29:50 -08:00
net.c tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
net.h
netlink_compat.c tipc: fix link name length check 2019-11-26 10:03:12 -08:00
netlink.c tipc: add support for AEAD key setting via netlink 2019-11-08 14:01:59 -08:00
netlink.h net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit() 2019-10-06 15:44:47 +02:00
node.c tipc: update replicast capability for broadcast send link 2019-11-22 09:29:50 -08:00
node.h tipc: add support for AEAD key setting via netlink 2019-11-08 14:01:59 -08:00
socket.c tipc: fix retrans failure due to wrong destination 2019-12-10 17:45:04 -08:00
socket.h
subscr.c
subscr.h
sysctl.c tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
topsrv.c tipc: add loopback device tracking 2019-08-08 22:11:39 -07:00
topsrv.h
trace.c
trace.h
udp_media.c net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-04 12:27:13 -08:00
udp_media.h