linux-stable/net
Florian Westphal 99a63d36cb netfilter: nf_queue: do not allow packet truncation below transport header offset
Domingo Dirutigliano and Nicola Guerrera report kernel panic when
sending nf_queue verdict with 1-byte nfta_payload attribute.

The IP/IPv6 stack pulls the IP(v6) header from the packet after the
input hook.

If user truncates the packet below the header size, this skb_pull() will
result in a malformed skb (skb->len < 0).

Fixes: 7af4cc3fa1 ("[NETFILTER]: Add "nfnetlink_queue" netfilter queue handler over nfnetlink")
Reported-by: Domingo Dirutigliano <pwnzer0tt1@proton.me>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Pablo Neira Ayuso <pablo@netfilter.org>
2022-07-26 21:12:42 +02:00
..
6lowpan
9p xen: switch gnttab_end_foreign_access() to take a struct page pointer 2022-05-27 11:05:29 +02:00
802
8021q vlan: fix memory leak in vlan_newlink() 2022-07-09 12:26:59 +01:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg 2022-06-15 13:00:22 +01:00
batman-adv net: wrap the wireless pointers in struct net_device in an ifdef 2022-05-22 21:51:54 +01:00
bluetooth Bluetooth: core: Fix deadlock on hci_power_on_sync. 2022-07-05 13:20:03 -07:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-05-23 16:07:14 -07:00
bpfilter
bridge bridge: Do not send empty IFLA_AF_SPEC attribute 2022-07-26 15:35:53 +02:00
caif caif: Fix bitmap data type in "struct caifsock" 2022-07-22 12:51:45 +01:00
can can: bcm: use call_rcu() instead of costly synchronize_rcu() 2022-07-04 10:33:39 +02:00
ceph libceph: use swap() macro instead of taking tmp variable 2022-05-25 20:45:13 +02:00
core tcp: Fix data-races around sysctl knobs related to SYN option. 2022-07-20 10:14:49 +01:00
dcb
dccp Revert "net: Add a second bind table hashed by port and address" 2022-06-16 11:07:59 -07:00
decnet net: Fix data-races around sysctl_[rw]mem(_offset)?. 2022-07-25 12:42:09 +01:00
dns_resolver
dsa net: dsa: fix reference counting for LAG FDBs 2022-07-25 19:37:06 -07:00
ethernet net: ethernet: set default assignment identifier to NET_NAME_ENUM 2022-04-07 21:04:03 -07:00
ethtool ethtool: Fix get module eeprom fallback 2022-06-17 20:22:16 -07:00
hsr
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 ipv4: Fix data-races around sysctl_fib_notify_on_flag_change. 2022-07-25 12:42:10 +01:00
ipv6 tcp: Fix data-races around sysctl_tcp_reflect_tos. 2022-07-25 12:42:10 +01:00
iucv net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
kcm
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-06-01 17:44:04 -07:00
l2tp ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg 2022-06-08 10:56:43 -07:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc llc: only change llc->dev when bind() succeeds 2022-03-25 16:55:41 -07:00
mac80211 wifi: mac80211: fix queue selection for mesh/OCB interfaces 2022-07-11 10:36:55 +02:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp net: Fix data-races around sysctl_[rw]mem(_offset)?. 2022-07-25 12:42:09 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter netfilter: nf_queue: do not allow packet truncation below transport header offset 2022-07-26 21:12:42 +02:00
netlabel
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch net: openvswitch: fix parsing of nw_proto for IPv6 fragments 2022-06-23 11:44:01 +02:00
packet net/af_packet: make sure to pull mac header 2022-06-02 10:15:05 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
rds Linux 5.18 2022-05-24 12:40:28 -03:00
rfkill
rose net: rose: fix UAF bug caused by rose_t0timer_expiry 2022-07-06 19:49:11 -07:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-23 21:19:17 -07:00
sched net/sched: cls_api: Fix flow action initialization 2022-07-20 10:54:27 +01:00
sctp sctp: fix sleep in atomic context bug in timer handlers 2022-07-25 19:39:05 -07:00
smc tcp: Fix data-races around keepalive sysctl knobs. 2022-07-18 12:21:54 +01:00
strparser
sunrpc Notable regression fixes: 2022-07-02 11:20:56 -07:00
switchdev
tipc net: Fix data-races around sysctl_[rw]mem(_offset)?. 2022-07-25 12:42:09 +01:00
tls net/tls: Remove the context from the list in tls_device_down 2022-07-24 21:40:56 +01:00
unix af_unix: Fix a data-race in unix_dgram_peer_wake_me(). 2022-06-07 12:07:46 +02:00
vmw_vsock hyperv-next for 5.19 2022-05-28 11:39:01 -07:00
wireless wifi: cfg80211: Allow P2P client interface to indicate port authorization 2022-06-29 11:43:15 +02:00
x25 x25: remove redundant pointer dev 2022-05-10 11:59:22 +02:00
xdp xsk: Clear page contiguity bit when unmapping pool 2022-06-28 22:49:04 +02:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-07-20 10:11:58 +01:00
Kconfig
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile
compat.c
devres.c
socket.c net: clear msg_get_inq in __sys_recvfrom() and __copy_msghdr_from_user() 2022-06-23 20:56:23 -07:00
sysctl_net.c