linux-stable/net
Florian Westphal ef97921ccd netfilter: nf_queue: fix possible use-after-free
commit c387307024 upstream.

Eric Dumazet says:
  The sock_hold() side seems suspect, because there is no guarantee
  that sk_refcnt is not already 0.

On failure, we cannot queue the packet and need to indicate an
error.  The packet will be dropped by the caller.

v2: split skb prefetch hunk into separate change

Fixes: 271b72c7fa ("udp: RCU handling for Unicast packets.")
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-08 19:01:56 +01:00
..
6lowpan 6lowpan: Off by one handling ->nexthdr 2020-01-27 14:46:30 +01:00
9p 9p/trans_virtio: Remove sysfs file on probe failure 2021-09-26 13:37:28 +02:00
802 net/802/garp: fix memleak in garp_request_join() 2021-08-04 12:22:14 +02:00
8021q net: vlan: avoid leaks on register_vlan_dev() failures 2021-01-17 13:58:58 +01:00
appletalk appletalk: Fix skb allocation size in loopback case 2021-04-07 12:47:02 +02:00
atm atm: fix a memory leak of vcc->user_back 2020-10-01 13:12:42 +02:00
ax25 ax25: improve the incomplete fix to avoid UAF and NPD bugs 2022-02-23 11:57:33 +01:00
batman-adv batman-adv: Don't always reallocate the fragmentation skb head 2021-11-26 11:40:41 +01:00
bluetooth Bluetooth: refactor malicious adv data check 2022-02-08 18:16:23 +01:00
bpf bpf: fix panic due to oob in bpf_prog_test_run_skb 2021-12-22 09:17:58 +01:00
bridge netfilter: bridge: add support for pppoe filtering 2022-01-27 09:00:49 +01:00
caif net-caif: avoid user-triggerable WARN_ON(1) 2021-09-22 11:45:33 +02:00
can can: bcm: fix UAF of bcm op 2022-01-29 10:17:06 +01:00
ceph libceph: clear con->out_msg on Policy::stateful_server faults 2020-11-05 11:07:03 +01:00
core net: __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor friends 2022-03-02 11:33:54 +01:00
dcb net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands 2021-01-23 15:48:46 +01:00
dccp dccp: don't duplicate ccid when cloning dccp sock 2021-09-22 11:45:33 +02:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-28 11:12:18 +02:00
dns_resolver KEYS: Don't write out to userspace while holding key semaphore 2020-04-24 08:01:25 +02:00
dsa net: dsa: Fix duplicate frames flooded by learning 2020-04-02 16:34:24 +02:00
ethernet net: add annotations on hh->hh_len lockless accesses 2020-01-09 10:17:59 +01:00
hsr hsr: use netdev_err() instead of WARN_ONCE() 2021-05-22 10:57:24 +02:00
ieee802154 net: ieee802154: Return meaningful error codes from the netlink helpers 2022-02-08 18:16:29 +01:00
ife
ipv4 gso: do not skip outer ip header in case of ipip and net_failover 2022-03-02 11:33:55 +01:00
ipv6 xfrm: fix MTU regression 2022-03-08 19:01:56 +01:00
ipx
iucv net/af_iucv: set correct sk_protocol for child sockets 2020-12-08 10:17:32 +01:00
kcm kcm: switch order of device registration to fix a crash 2019-04-17 08:37:45 +02:00
key af_key: relax availability checks for skb size calculation 2021-02-23 14:00:29 +01:00
l2tp net/l2tp: Fix reference count leak in l2tp_udp_recv_core 2021-09-22 11:45:33 +02:00
l3mdev
lapb net: lapb: Copy the skb before sending a packet 2021-02-10 09:12:08 +01:00
llc net: llc: fix skb_over_panic 2021-08-04 12:22:17 +02:00
mac80211 mac80211: allow non-standard VHT MCS-10/11 2022-01-27 09:00:56 +01:00
mac802154 net: mac802154: Fix general protection fault 2021-04-16 11:57:52 +02:00
mpls net: mpls: Fix notifications when deleting a device 2021-12-08 08:46:55 +01:00
ncsi net/ncsi: Avoid GFP_KERNEL in response handler 2021-04-16 11:57:51 +02:00
netfilter netfilter: nf_queue: fix possible use-after-free 2022-03-08 19:01:56 +01:00
netlabel net: fix NULL pointer reference in cipso_v4_doi_free 2021-09-22 11:45:32 +02:00
netlink net: netlink: af_netlink: Prevent empty skb by adding a check on len. 2021-12-22 09:17:58 +01:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-28 11:12:18 +02:00
nfc nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed bind() 2022-01-27 09:00:47 +01:00
nsh
openvswitch openvswitch: Fix setting ipv6 fields causing hw csum failure 2022-03-02 11:33:55 +01:00
packet af_packet: fix data-race in packet_setsockopt / packet_setsockopt 2022-02-08 18:16:27 +01:00
phonet phonet: refcount leak in pep_sock_accep 2022-01-11 13:57:37 +01:00
psample net: psample: fix skb_over_panic 2019-12-05 15:38:15 +01:00
qrtr net: qrtr: fix a kernel-infoleak in qrtr_recvmsg() 2021-03-30 14:40:12 +02:00
rds net/rds: correct socket tunable error in rds_tcp_tune() 2021-12-08 08:46:55 +01:00
rfkill rfkill: Fix incorrect check to avoid NULL pointer dereference 2020-01-12 12:11:57 +01:00
rose rose: Fix Null pointer dereference in rose_send_frame() 2020-12-08 10:17:32 +01:00
rxrpc rxrpc: Fix handling of an unsupported token type in rxrpc_read() 2021-01-23 15:48:47 +01:00
sched net: sched: limit TC_ACT_REPEAT loops 2022-02-23 11:57:35 +01:00
sctp sctp: use call_rcu to free endpoint 2022-01-05 12:33:49 +01:00
smc net/smc: Keep smc_close_final rc during active close 2021-12-08 08:46:55 +01:00
strparser
sunrpc rpc: fix gss_svc_init cleanup on failure 2021-09-22 11:45:30 +02:00
switchdev
tipc tipc: rate limit warning for received illegal binding update 2022-02-16 12:44:51 +01:00
tls
unix af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress 2022-01-27 09:01:00 +01:00
vmw_vsock vsock: remove vsock from connected table when connect is interrupted by a signal 2022-02-23 11:57:34 +01:00
wimax
wireless cfg80211: call cfg80211_stop_ap when switch from P2P_GO type 2021-11-26 11:40:41 +01:00
x25 net/x25: Return the correct errno code 2021-06-30 08:48:47 -04:00
xfrm xfrm: enforce validity of offload input flags 2022-03-08 19:01:56 +01:00
compat.c net: Return the correct errno code 2021-06-30 08:48:47 -04:00
Kconfig
Makefile net: split out functions related to registering inflight socket files 2021-08-04 12:22:14 +02:00
socket.c net: Set fput_needed iff FDPUT_FPUT is set 2020-08-21 09:48:14 +02:00
sysctl_net.c