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linux/net
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Eric Dumazet 1cebce3b9c tcp: enforce tcp_min_snd_mss in tcp_mtu_probing() 
commit 967c05aee4 upstream.

If mtu probing is enabled tcp_mtu_probing() could very well end up
with a too small MSS.

Use the new sysctl tcp_min_snd_mss to make sure MSS search
is performed in an acceptable range.

CVE-2019-11479 -- tcp mss hardcoded to 48

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Cc: Jonathan Looney <jtl@netflix.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Tyler Hicks <tyhicks@canonical.com>
Cc: Bruce Curtis <brucec@netflix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-17 19:50:37 +02:00
..
6lowpan
6lowpan: fix debugfs_simple_attr.cocci warnings
2019-01-22 09:51:19 +01:00
9p
9p/net: fix memory leak in p9_client_create
2019-03-13 11:50:04 +01:00
802
…
8021q
vlan: disable SIOCSHWTSTAMP in container
2019-05-16 19:35:37 +02:00
appletalk
appletalk: Set error code if register_snap_client failed
2019-04-30 11:09:28 -04:00
atm
net: atm: Fix potential Spectre v1 vulnerabilities
2019-04-16 21:01:45 -07:00
ax25
ax25: fix possible use-after-free
2019-01-23 11:18:00 -08:00
batman-adv
batman-adv: Adjust name for batadv_dat_send_data
2019-06-15 11:53:04 +02:00
bluetooth
Revert "Bluetooth: Align minimum encryption key size for LE and BR/EDR connections"
2019-06-15 11:53:06 +02:00
bpf
bpf: fix warning about using plain integer as NULL
2019-03-08 21:17:07 +01:00
bpfilter
bpfilter: re-add header search paths to tools include to fix build error
2019-02-23 13:34:40 -08:00
bridge
bridge: Fix error path for kobject_init_and_add()
2019-05-16 19:35:35 +02:00
caif
net: caif: use skb helpers instead of open-coding them
2019-02-17 11:01:17 -08:00
can
can: bcm: check timer values before ktime conversion
2019-01-22 11:33:46 +01:00
ceph
libceph: fix breakage caused by multipage bvecs
2019-03-25 22:28:07 +01:00
core
neighbor: Call __ipv4_neigh_lookup_noref in neigh_xmit
2019-06-11 12:19:13 +02:00
dcb
net: dcb: Add priority-to-DSCP map getters
2018-07-27 13:17:50 -07:00
dccp
dccp: Fix memleak in __feat_register_sp
2019-04-01 18:15:10 -07:00
decnet
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-01-29 21:18:54 -08:00
dns_resolver
dns: Allow the dns resolver to retrieve a server set
2018-10-04 09:40:52 -07:00
dsa
net: dsa: Fix error cleanup path in dsa_init_module
2019-05-16 19:35:36 +02:00
ethernet
net/ethernet: Add parse_protocol header_ops support
2019-02-22 12:55:31 -08:00
hsr
net/hsr: fix possible crash in add_timer()
2019-03-07 11:02:08 -08:00
ieee802154
net: remove unused struct inet_frag_queue.fragments field
2019-02-26 08:27:05 -08:00
ife
net: sched: ife: check on metadata length
2018-04-22 21:12:00 -04:00
ipv4
tcp: enforce tcp_min_snd_mss in tcp_mtu_probing()
2019-06-17 19:50:37 +02:00
ipv6
ipv6: fix EFAULT on sendto with icmpv6 and hdrincl
2019-06-11 12:19:12 +02:00
iucv
iucv: Remove SKB list assumptions.
2018-11-10 16:55:11 -08:00
kcm
kcm: switch order of device registration to fix a crash
2019-04-01 14:59:20 -07:00
key
xfrm: clean up xfrm protocol checks
2019-03-26 08:35:36 +01:00
l2tp
l2ip: fix possible use-after-free
2019-04-30 11:35:48 -04:00
l3mdev
l3mdev: add function to retreive upper master
2018-12-03 14:15:26 -08:00
lapb
…
llc
llc: fix skb leak in llc_build_and_send_ui_pkt()
2019-06-04 07:59:41 +02:00
mac80211
mac80211/cfg80211: update bss channel on channel switch
2019-05-31 06:43:22 -07:00
mac802154
mac802154: Remove VLA usage of skcipher
2018-09-28 12:46:07 +08:00
mpls
mpls: Fix 6PE forwarding
2019-03-19 16:00:22 -07:00
ncsi
net/ncsi: handle overflow when incrementing mac address
2019-04-23 21:15:15 -07:00
netfilter
netfilter: nf_flow_table: fix netdev refcnt leak
2019-06-15 11:52:59 +02:00
netlabel
netlabel: fix out-of-bounds memory accesses
2019-02-27 21:45:24 -08:00
netlink
genetlink: use idr_alloc_cyclic for family->id assignment
2019-04-26 11:59:58 -04:00
netrom
net: netrom: Fix error cleanup path of nr_proto_init
2019-04-11 13:59:49 -07:00
nfc
NFC: nci: Add some bounds checking in nci_hci_cmd_received()
2019-04-06 15:05:07 -07:00
nsh
nsh: set mac len based on inner packet
2018-07-12 16:55:29 -07:00
openvswitch
openvswitch: fix flow actions reallocation
2019-03-28 17:15:44 -07:00
packet
packet: unconditionally free po->rollover
2019-06-11 12:19:11 +02:00
phonet
phonet: fix building with clang
2019-02-21 16:23:56 -08:00
psample
…
qrtr
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
rds
net: rds: fix memory leak in rds_ib_flush_mr_pool
2019-06-11 12:19:11 +02:00
rfkill
rfkill: gpio: Remove unused include
2018-12-18 13:13:56 +01:00
rose
net/rose: fix unbound loop in rose_loopback_timer()
2019-04-24 14:39:26 -07:00
rxrpc
rxrpc: Fix net namespace cleanup
2019-04-30 10:50:50 -04:00
sched
cls_matchall: avoid panic when receiving a packet before filter set
2019-06-11 12:19:13 +02:00
sctp
Fix memory leak in sctp_process_init
2019-06-11 12:19:09 +02:00
smc
net/smc: move unhash before release of clcsock
2019-04-11 11:04:08 -07:00
strparser
net: strparser: partially revert "strparser: Call skb_unclone conditionally"
2019-04-10 13:07:02 -07:00
sunrpc
SUNRPC: Fix a use after free when a server rejects the RPCSEC_GSS credential
2019-06-11 12:19:15 +02:00
switchdev
switchdev: Remove unused transaction item queue
2019-03-01 21:35:19 -08:00
tipc
tipc: fix modprobe tipc failed after switch order of device registration
2019-06-04 07:59:45 +02:00
tls
net/tls: replace the sleeping lock around RX resync with a bit lock
2019-06-11 12:19:14 +02:00
unix
Merge tag 'io_uring-2019-03-06' of git://git.kernel.dk/linux-block
2019-03-08 14:48:40 -08:00
vmw_vsock
vsock/virtio: Initialize core virtio vsock before registering the driver
2019-05-25 18:16:16 +02:00
wimax
wimax: remove blank lines at EOF
2018-07-24 14:10:42 -07:00
wireless
mac80211/cfg80211: update bss channel on channel switch
2019-05-31 06:43:22 -07:00
x25
net/x25: reset state in x25_connect()
2019-03-11 15:40:14 -07:00
xdp
xsk: fix umem memory leak on cleanup
2019-03-16 01:27:51 +01:00
xfrm
xfrm: Honor original L3 slave device in xfrmi policy lookup
2019-03-27 16:14:05 +01:00
compat.c
Merge branch 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-03-05 14:08:26 -08:00
Kconfig
net: devlink: turn devlink into a built-in
2019-02-26 08:49:05 -08:00
Makefile
net: split out functions related to registering inflight socket files
2019-02-28 08:24:23 -07:00
socket.c
net: add documentation to socket.c
2019-03-15 15:29:47 -07:00
sysctl_net.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00