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Davide Caratti 1086f78906 net: openvswitch: ensure LSE is pullable before reading it 
[ Upstream commit 43c13605bad44b8abbc9776d6e63f62ccb7a47d6 ]

when openvswitch is configured to mangle the LSE, the current value is
read from the packet dereferencing 4 bytes at mpls_hdr(): ensure that
the label is contained in the skb "linear" area.

Found by code inspection.

Fixes: d27cf5c59a12 ("net: core: add MPLS update core helper and use in OvS")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/r/aa099f245d93218b84b5c056b67b6058ccf81a66.1606987185.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-08 10:40:27 +01:00
..
6lowpan
6lowpan: no need to check return value of debugfs_create functions
2019-07-06 12:50:01 +02:00
9p
net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
2020-11-05 11:43:20 +01:00
802
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
8021q
vlan: vlan_changelink() should propagate errors
2020-01-12 12:21:50 +01:00
appletalk
appletalk: Fix atalk_proc_init() return path
2020-08-11 15:33:40 +02:00
atm
atm: fix a memory leak of vcc->user_back
2020-10-01 13:17:58 +02:00
ax25
AX.25: Prevent integer overflows in connect and sendmsg
2020-07-31 18:39:31 +02:00
batman-adv
batman-adv: set .owner to THIS_MODULE
2020-12-02 08:49:50 +01:00
bluetooth
Bluetooth: Only mark socket zapped after unlocking
2020-10-29 09:58:06 +01:00
bpf
bpf/flow_dissector: support flags in BPF_PROG_TEST_RUN
2019-07-25 18:00:41 -07:00
bpfilter
net/bpfilter: remove superfluous testing message
2020-04-21 09:04:53 +02:00
bridge
netfilter: bridge: reset skb->pkt_type after NF_INET_POST_ROUTING traversal
2020-12-08 10:40:24 +01:00
caif
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
can
can: af_can: prevent potential access of uninitialized member in canfd_rcv()
2020-11-24 13:29:05 +01:00
ceph
libceph: clear con->out_msg on Policy::stateful_server faults
2020-11-05 11:43:34 +01:00
core
net: skbuff: ensure LSE is pullable before decrementing the MPLS ttl
2020-12-08 10:40:26 +01:00
dcb
net: DCB: Validate DCB_ATTR_DCB_BUFFER argument
2020-09-26 18:03:12 +02:00
dccp
dccp: Fix possible memleak in dccp_init and dccp_fini
2020-06-17 16:40:32 +02:00
decnet
net: add bool confirm_neigh parameter for dst_ops.update_pmtu
2020-01-04 19:18:58 +01:00
dns_resolver
KEYS: Don't write out to userspace while holding key semaphore
2020-04-23 10:36:45 +02:00
dsa
dsa: Allow forwarding of redirected IGMP traffic
2020-09-23 12:40:33 +02:00
ethernet
net: add annotations on hh->hh_len lockless accesses
2020-01-09 10:20:06 +01:00
hsr
hsr: check protocol version in hsr_newlink()
2020-04-21 09:04:44 +02:00
ieee802154
nl802154: add missing attribute validation for dev_type
2020-03-18 07:17:44 +01:00
ife
net: Fix Kconfig indentation
2019-09-26 08:56:17 +02:00
ipv4
ipv4: Fix tos mask in inet_rtm_getroute()
2020-12-08 10:40:25 +01:00
ipv6
net: ip6_gre: set dev->hard_header_len when using header_ops
2020-12-08 10:40:26 +01:00
iucv
net/af_iucv: set correct sk_protocol for child sockets
2020-12-08 10:40:23 +01:00
kcm
kcm: disable preemption in kcm_parse_func_strparser()
2019-09-27 10:27:14 +02:00
key
af_key: pfkey_dump needs parameter validation
2020-09-26 18:03:10 +02:00
l2tp
l2tp: remove skb_dst_set() from l2tp_xmit_skb()
2020-07-22 09:32:47 +02:00
l3mdev
ipv6: convert major tx path to use RT6_LOOKUP_F_DST_NOREF
2019-06-23 13:24:17 -07:00
lapb
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-17 20:20:36 -07:00
llc
net: silence data-races on sk_backlog.tail
2020-10-01 13:17:15 +02:00
mac80211
mac80211: free sta in sta_info_insert_finish() on errors
2020-11-24 13:29:23 +01:00
mac802154
mac802154: tx: fix use-after-free
2020-10-01 13:18:17 +02:00
mpls
net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup
2019-12-18 16:08:42 +01:00
ncsi
net/ncsi: Fix netlink registration
2020-11-24 13:29:00 +01:00
netfilter
netfilter: ipset: Update byte and packet counters regardless of whether they match
2020-11-18 19:20:17 +01:00
netlabel
netlabel: fix an uninitialized warning in netlbl_unlabel_staticlist()
2020-11-24 13:28:57 +01:00
netlink
genetlink: remove genl_bind
2020-07-22 09:32:46 +02:00
netrom
net: netrom: Fix potential nr_neigh refcnt leak in nr_add_node
2020-04-29 16:33:08 +02:00
nfc
nfc: Ensure presence of NFC_ATTR_FIRMWARE_NAME attribute in nfc_genl_fw_download()
2020-10-29 09:57:26 +01:00
nsh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
openvswitch
net: openvswitch: ensure LSE is pullable before reading it
2020-12-08 10:40:27 +01:00
packet
net/packet: fix overflow in tpacket_rcv
2020-09-09 19:12:29 +02:00
phonet
net: use skb_queue_empty_lockless() in poll() handlers
2019-10-28 13:33:41 -07:00
psample
net: psample: fix skb_over_panic
2019-12-04 22:30:54 +01:00
qrtr
net: qrtr: check skb_put_padto() return value
2020-09-26 18:03:15 +02:00
rds
rds: Prevent kernel-infoleak in rds_notify_queue_get()
2020-08-05 09:59:44 +02:00
rfkill
rfkill: Fix use-after-free in rfkill_resume()
2020-11-24 13:29:05 +01:00
rose
rose: Fix Null pointer dereference in rose_send_frame()
2020-12-08 10:40:23 +01:00
rxrpc
rxrpc: Fix server keyring leak
2020-10-14 10:33:05 +02:00
sched
net: sch_generic: fix the missing new qdisc assignment bug
2020-11-18 19:20:33 +01:00
sctp
sctp: change to hold/put transport for proto_unreach_timer
2020-11-24 13:28:59 +01:00
smc
net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid()
2020-11-24 13:28:58 +01:00
strparser
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-06-22 08:59:24 -04:00
sunrpc
SUNRPC: Mitigate cond_resched() in xprt_transmit()
2020-11-05 11:43:18 +01:00
switchdev
…
tipc
tipc: fix memory leak in tipc_topsrv_start()
2020-11-18 19:20:33 +01:00
tls
net/tls: Protect from calling tls_dev_del for TLS RX twice
2020-12-08 10:40:23 +01:00
unix
skbuff: fix a data race in skb_queue_len()
2020-10-01 13:17:31 +02:00
vmw_vsock
vsock: use ns_capable_noaudit() on socket create
2020-11-10 12:37:30 +01:00
wimax
wimax: no need to check return value of debugfs_create functions
2019-08-10 15:25:47 -07:00
wireless
cfg80211: regulatory: Fix inconsistent format argument
2020-11-18 19:20:23 +01:00
x25
net/x25: prevent a couple of overflows
2020-12-08 10:40:26 +01:00
xdp
xdp: Fix xsk_generic_xmit errno
2020-06-24 17:50:44 +02:00
xfrm
net: xfrm: fix a race condition during allocing spi
2020-11-18 19:20:17 +01:00
compat.c
net/compat: Add missing sock updates for SCM_RIGHTS
2020-08-21 13:05:25 +02:00
Kconfig
net: Fix CONFIG_NET_CLS_ACT=n and CONFIG_NFT_FWD_NETDEV={y, m} build
2020-04-01 11:02:18 +02:00
Makefile
…
socket.c
net: Set fput_needed iff FDPUT_FPUT is set
2020-08-19 08:16:22 +02:00
sysctl_net.c
…