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Pablo Neira Ayuso a2471d2710 netfilter: flowtable: validate pppoe header 
[ Upstream commit 87b3593bed1868b2d9fe096c01bcdf0ea86cbebf ]

Ensure there is sufficient room to access the protocol field of the
PPPoe header. Validate it once before the flowtable lookup, then use a
helper function to access protocol field.

Reported-by: syzbot+b6f07e1c07ef40199081@syzkaller.appspotmail.com
Fixes: 72efd585f714 ("netfilter: flowtable: add pppoe support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-27 17:11:31 +02:00
..
6lowpan
…
9p
9p: Fix read/write debug statements to report server reply
2024-04-10 16:35:57 +02:00
802
…
8021q
vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING
2024-01-31 16:19:01 -08:00
appletalk
appletalk: Fix Use-After-Free in atalk_ioctl
2023-12-20 17:01:50 +01:00
atm
atm: Fix Use-After-Free in do_vcc_ioctl
2023-12-20 17:01:48 +01:00
ax25
ax25: fix use-after-free bugs caused by ax25_ds_del_timer
2024-04-10 16:35:53 +02:00
batman-adv
batman-adv: Avoid infinite loop trying to resize local TT
2024-04-17 11:19:25 +02:00
bluetooth
Bluetooth: l2cap: Don't double set the HCI_CONN_MGMT_CONNECTED bit
2024-04-17 11:19:30 +02:00
bpf
bpf: Fix a few selftest failures due to llvm18 change
2024-02-05 20:14:20 +00:00
bpfilter
…
bridge
netfilter: br_netfilter: skip conntrack input hook for promisc packets
2024-04-27 17:11:31 +02:00
caif
…
can
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
2024-02-23 09:25:17 +01:00
ceph
libceph: fail sparse-read if the data length doesn't match
2024-03-01 13:34:56 +01:00
core
gro: fix ownership transfer
2024-04-10 16:35:52 +02:00
dcb
net: dcb: choose correct policy to parse DCB_ATTR_BCN
2023-08-01 21:07:46 -07:00
dccp
dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses.
2023-11-20 11:59:35 +01:00
devlink
devlink: fix port new reply cmd type
2024-03-26 18:20:11 -04:00
dns_resolver
keys, dns: Fix size check of V1 server-list header
2024-01-25 15:35:41 -08:00
dsa
net: dsa: mark parsed interface mode for legacy switch drivers
2023-08-09 13:08:09 -07:00
ethernet
…
ethtool
ethtool: netlink: Add missing ethnl_ops_begin/complete
2024-01-25 15:36:00 -08:00
handshake
net/handshake: Fix handshake_req_destroy_test1
2024-02-23 09:24:50 +01:00
hsr
net: hsr: hsr_slave: Fix the promiscuous mode in offload mode
2024-04-10 16:35:42 +02:00
ieee802154
sysctl-6.6-rc1
2023-08-29 17:39:15 -07:00
ife
net: sched: ife: fix potential use-after-free
2024-01-01 12:42:30 +00:00
ipv4
netfilter: complete validation of user input
2024-04-17 11:19:30 +02:00
ipv6
netfilter: complete validation of user input
2024-04-17 11:19:30 +02:00
iucv
net/iucv: fix the allocation size of iucv_path_table array
2024-03-26 18:19:12 -04:00
kcm
net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function
2024-03-26 18:19:40 -04:00
key
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2023-08-18 12:44:56 -07:00
l2tp
l2tp: fix incorrect parameter validation in the pppol2tp_getsockopt() function
2024-03-26 18:19:40 -04:00
l3mdev
…
lapb
…
llc
llc: call sock_orphan() at release time
2024-02-05 20:14:36 +00:00
mac80211
wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes
2024-04-03 15:28:54 +02:00
mac802154
mac802154: fix llsec key resources release in mac802154_llsec_key_del
2024-04-03 15:28:27 +02:00
mctp
net: mctp: copy skb ext data when fragmenting
2024-03-26 18:19:34 -04:00
mpls
net: mpls: error out if inner headers are not set
2024-04-13 13:07:41 +02:00
mptcp
mptcp: don't account accept() of non-MPC client as fallback to TCP
2024-04-10 16:36:06 +02:00
ncsi
net/ncsi: Fix netlink major/minor version numbers
2024-01-25 15:35:20 -08:00
netfilter
netfilter: flowtable: validate pppoe header
2024-04-27 17:11:31 +02:00
netlabel
calipso: fix memory leak in netlbl_calipso_add_pass()
2024-01-25 15:35:14 -08:00
netlink
netlink: Fix kernel-infoleak-after-free in __skb_datagram_iter
2024-03-06 14:48:34 +00:00
netrom
netrom: Fix data-races around sysctl_net_busy_read
2024-03-15 10:48:21 -04:00
nfc
nfc: nci: Fix uninit-value in nci_dev_up and nci_ntf_packet
2024-04-10 16:35:41 +02:00
nsh
…
openvswitch
net: openvswitch: fix unwanted error log on timeout policy probing
2024-04-17 11:19:28 +02:00
packet
packet: annotate data-races around ignore_outgoing
2024-03-26 18:20:10 -04:00
phonet
phonet/pep: fix racy skb_queue_empty() use
2024-03-01 13:35:10 +01:00
psample
psample: Require 'CAP_NET_ADMIN' when joining "packets" group
2023-12-13 18:45:10 +01:00
qrtr
net: qrtr: ns: Return 0 if server port is not present
2024-01-20 11:51:47 +01:00
rds
net/rds: fix possible cp null dereference
2024-04-10 16:35:49 +02:00
rfkill
net: rfkill: gpio: set GPIO direction
2024-01-01 12:42:41 +00:00
rose
net/rose: fix races in rose_kill_by_device()
2024-01-01 12:42:31 +00:00
rxrpc
rxrpc: Fix counting of new acks and nacks
2024-02-16 19:10:50 +01:00
sched
net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()
2024-04-10 16:35:51 +02:00
sctp
sctp: fix busy polling
2024-01-25 15:35:30 -08:00
smc
net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list()
2024-04-13 13:07:33 +02:00
strparser
…
sunrpc
SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP
2024-04-10 16:36:01 +02:00
switchdev
net: bridge: switchdev: Skip MDB replays of deferred events on offload
2024-03-01 13:35:06 +01:00
tipc
tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
2024-02-16 19:10:50 +01:00
tls
tls: get psock ref after taking rxlock to avoid leak
2024-04-10 16:35:43 +02:00
unix
af_unix: Fix garbage collector racing against connect()
2024-04-17 11:19:32 +02:00
vmw_vsock
vsock/virtio: fix packet delivery to tap device
2024-04-10 16:35:50 +02:00
wireless
wifi: cfg80211: check A-MSDU format more carefully
2024-04-13 13:07:32 +02:00
x25
net/x25: fix incorrect parameter validation in the x25_getsockopt() function
2024-03-26 18:19:41 -04:00
xdp
xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
2024-04-17 11:19:28 +02:00
xfrm
xfrm: Avoid clang fortify warning in copy_to_user_tmpl()
2024-04-03 15:28:40 +02:00
compat.c
…
devres.c
…
Kconfig
bpf: Add fd-based tcx multi-prog infra with link support
2023-07-19 10:07:27 -07:00
Kconfig.debug
…
Makefile
…
socket.c
net: Save and restore msg_namelen in sock_sendmsg
2024-01-10 17:16:51 +01:00
sysctl_net.c
sysctl: Add size to register_net_sysctl function
2023-08-15 15:26:17 -07:00