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linux/net/netfilter
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Pablo Neira Ayuso 97840cb67f netfilter: nfnetlink: fix insufficient validation in nfnetlink_bind 
Make sure the netlink group exists, otherwise you can trigger an out
of bound array memory access from the netlink_bind() path. This splat
can only be triggered only by superuser.

[  180.203600] UBSan: Undefined behaviour in ../net/netfilter/nfnetlink.c:467:28
[  180.204249] index 9 is out of range for type 'int [9]'
[  180.204697] CPU: 0 PID: 1771 Comm: trinity-main Not tainted 3.18.0-rc4-mm1+ #122
[  180.205365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org
+04/01/2014
[  180.206498]  0000000000000018 0000000000000000 0000000000000009 ffff88007bdf7da8
[  180.207220]  ffffffff82b0ef5f 0000000000000092 ffffffff845ae2e0 ffff88007bdf7db8
[  180.207887]  ffffffff8199e489 ffff88007bdf7e18 ffffffff8199ea22 0000003900000000
[  180.208639] Call Trace:
[  180.208857] dump_stack (lib/dump_stack.c:52)
[  180.209370] ubsan_epilogue (lib/ubsan.c:174)
[  180.209849] __ubsan_handle_out_of_bounds (lib/ubsan.c:400)
[  180.210512] nfnetlink_bind (net/netfilter/nfnetlink.c:467)
[  180.210986] netlink_bind (net/netlink/af_netlink.c:1483)
[  180.211495] SYSC_bind (net/socket.c:1541)

Moreover, define the missing nf_tables and nf_acct multicast groups too.

Reported-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-11-17 12:01:13 +01:00
..
ipset netfilter: ipset: small potential read beyond the end of buffer 2014-11-11 13:46:37 +01:00
ipvs ipvs: Keep skb->sk when allocating headroom on tunnel xmit 2014-11-12 11:03:04 +09:00
core.c netfilter: HAVE_JUMP_LABEL instead of CONFIG_JUMP_LABEL 2014-08-25 10:45:28 +02:00
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-02 11:25:43 -07:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2014-09-10 12:46:32 -07:00
nf_conntrack_acct.c
nf_conntrack_amanda.c
nf_conntrack_broadcast.c
nf_conntrack_core.c netfilter: conntrack: fix race in __nf_conntrack_confirm against get_next_corpse 2014-11-14 17:43:05 +01:00
nf_conntrack_ecache.c netfilter: conntrack: remove timer from ecache extension 2014-06-25 19:15:38 +02:00
nf_conntrack_expect.c net: use reciprocal_scale() helper 2014-08-23 12:21:21 -07:00
nf_conntrack_extend.c
nf_conntrack_ftp.c netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
nf_conntrack_h323_asn1.c
nf_conntrack_h323_main.c netfilter: conntrack: seperate expect locking from nf_conntrack_lock 2014-03-07 11:41:01 +01:00
nf_conntrack_h323_types.c
nf_conntrack_helper.c netfilter: conntrack: remove central spinlock nf_conntrack_lock 2014-03-07 11:41:13 +01:00
nf_conntrack_irc.c
nf_conntrack_l3proto_generic.c
nf_conntrack_labels.c
nf_conntrack_netbios_ns.c
nf_conntrack_netlink.c net: use ktime_get_ns() and ktime_get_real_ns() helpers 2014-08-22 19:57:23 -07:00
nf_conntrack_pptp.c netfilter: nf_conntrack: flush net_gre->keymap_list only from gre helper 2014-04-08 10:56:12 +02:00
nf_conntrack_proto_dccp.c
nf_conntrack_proto_generic.c netfilter: conntrack: disable generic tracking for known protocols 2014-09-29 12:17:49 +02:00
nf_conntrack_proto_gre.c netfilter: nf_conntrack: flush net_gre->keymap_list only from gre helper 2014-04-08 10:56:12 +02:00
nf_conntrack_proto_sctp.c
nf_conntrack_proto_tcp.c netfilter: nf_conntrack: allow server to become a client in TW handling 2014-10-22 14:12:50 +02:00
nf_conntrack_proto_udp.c
nf_conntrack_proto_udplite.c
nf_conntrack_proto.c
nf_conntrack_sane.c
nf_conntrack_seqadj.c
nf_conntrack_sip.c netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
nf_conntrack_snmp.c
nf_conntrack_standalone.c net: use ktime_get_ns() and ktime_get_real_ns() helpers 2014-08-22 19:57:23 -07:00
nf_conntrack_tftp.c
nf_conntrack_timeout.c
nf_conntrack_timestamp.c
nf_internals.h
nf_log_common.c netfilter: use IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 2014-10-02 18:30:54 +02:00
nf_log.c netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
nf_nat_amanda.c
nf_nat_core.c net: use reciprocal_scale() helper 2014-08-23 12:21:21 -07:00
nf_nat_ftp.c
nf_nat_helper.c
nf_nat_irc.c
nf_nat_proto_common.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_dccp.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_sctp.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_tcp.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_udp.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_udplite.c netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
nf_nat_proto_unknown.c
nf_nat_sip.c netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
nf_nat_tftp.c
nf_queue.c netfilter: use IS_ENABLED(CONFIG_BRIDGE_NETFILTER) 2014-10-02 18:30:54 +02:00
nf_sockopt.c netfilter: don't use mutex_lock_interruptible() 2014-08-08 16:47:23 +02:00
nf_synproxy_core.c
nf_tables_api.c netfilter: nf_tables: restore synchronous object release from commit/abort 2014-11-12 12:06:24 +01:00
nf_tables_core.c netfilter: nf_tables: 64bit stats need some extra synchronization 2014-07-14 12:00:17 +02:00
nf_tables_inet.c
nfnetlink_acct.c netfilter: nfnetlink_acct: add filter support to nfacct counter list/reset 2014-08-26 21:36:19 +02:00
nfnetlink_cthelper.c
nfnetlink_cttimeout.c
nfnetlink_log.c netfilter: nf_log: release skbuff on nlmsg put failure 2014-10-24 14:34:11 +02:00
nfnetlink_queue_core.c net: make skb_gso_segment error handling more robust 2014-10-20 12:38:13 -04:00
nfnetlink_queue_ct.c
nfnetlink.c netfilter: nfnetlink: fix insufficient validation in nfnetlink_bind 2014-11-17 12:01:13 +01:00
nft_bitwise.c
nft_byteorder.c
nft_cmp.c netfilter: nf_tables: fix nft_cmp_fast failure on big endian for size < 4 2014-04-14 10:38:02 +02:00
nft_compat.c netfilter: nft_compat: use the match->table to validate dependencies 2014-11-12 12:06:24 +01:00
nft_counter.c
nft_ct.c netfilter: nft_ct: split nft_ct_init() into two functions for get/set 2014-04-02 21:29:45 +02:00
nft_expr_template.c
nft_exthdr.c
nft_hash.c netfilter: nft_hash: no need for rcu in the hash set destroy path 2014-09-03 10:57:06 +02:00
nft_immediate.c netfilter: nf_tables: restore context for expression destructors 2014-03-08 12:35:17 +01:00
nft_limit.c
nft_log.c netfilter: nft_log: fix coccinelle warnings 2014-06-29 13:55:08 +02:00
nft_lookup.c netfilter: nf_tables: use new transaction infrastructure to handle sets 2014-05-19 12:06:10 +02:00
nft_masq.c netfilter: nf_tables: restrict nat/masq expressions to nat chain type 2014-10-13 20:42:00 +02:00
nft_meta.c netfilter: nf_tables: add devgroup support in meta expresion 2014-09-09 16:31:23 +02:00
nft_nat.c netfilter: nft_nat: dump attributes if they are set 2014-10-18 14:16:13 +02:00
nft_payload.c
nft_queue.c
nft_rbtree.c netfilter: nft_rbtree: no need for spinlock from set destroy path 2014-09-03 10:57:08 +02:00
nft_reject_inet.c netfilter: nft_reject: introduce icmp code abstraction for inet and bridge 2014-10-02 18:29:57 +02:00
nft_reject.c netfilter: fix wrong arithmetics regarding NFT_REJECT_ICMPX_MAX 2014-10-07 20:16:31 +02:00
x_tables.c net/netfilter/x_tables.c: use __seq_open_private() 2014-09-26 18:42:29 +02:00
xt_addrtype.c
xt_AUDIT.c netfilter: Convert uses of __constant_<foo> to <foo> 2014-03-13 14:13:19 +01:00
xt_bpf.c net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
xt_cgroup.c netfilter: x_tables: allow to use default cgroup match 2014-08-19 21:38:55 +02:00
xt_CHECKSUM.c
xt_CLASSIFY.c
xt_cluster.c net: use reciprocal_scale() helper 2014-08-23 12:21:21 -07:00
xt_comment.c
xt_connbytes.c netfilter: Convert pr_warning to pr_warn 2014-09-10 12:40:10 -07:00
xt_connlabel.c
xt_connlimit.c netfilter: connlimit: move lock array out of struct connlimit_data 2014-04-03 23:52:13 +02:00
xt_connmark.c
xt_CONNSECMARK.c
xt_conntrack.c
xt_cpu.c
xt_CT.c
xt_dccp.c
xt_devgroup.c
xt_dscp.c
xt_DSCP.c
xt_ecn.c
xt_esp.c
xt_hashlimit.c netfilter: Convert pr_warning to pr_warn 2014-09-10 12:40:10 -07:00
xt_helper.c
xt_hl.c
xt_HL.c
xt_HMARK.c net: use reciprocal_scale() helper 2014-08-23 12:21:21 -07:00
xt_IDLETIMER.c
xt_ipcomp.c
xt_iprange.c
xt_ipvs.c
xt_l2tp.c
xt_LED.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-08-05 18:46:26 -07:00
xt_length.c
xt_limit.c
xt_LOG.c netfilter: xt_LOG: add missing string format in nf_log_packet() 2014-06-28 18:50:35 +02:00
xt_mac.c
xt_mark.c
xt_multiport.c
xt_nat.c
xt_NETMAP.c
xt_nfacct.c netfilter: nfnetlink_acct: Adding quota support to accounting framework 2014-04-29 18:25:14 +02:00
xt_NFLOG.c
xt_NFQUEUE.c
xt_osf.c netfilter: Add {ipt,ip6t}_osf aliases for xt_osf 2014-04-03 23:52:22 +02:00
xt_owner.c
xt_physdev.c netfilter: explicit module dependency between br_netfilter and physdev 2014-10-02 18:30:57 +02:00
xt_pkttype.c
xt_policy.c
xt_quota.c
xt_rateest.c
xt_RATEEST.c net: sched: make bstats per cpu and estimator RCU safe 2014-09-30 01:02:26 -04:00
xt_realm.c
xt_recent.c net: use the new API kvfree() 2014-06-05 00:49:51 -07:00
xt_REDIRECT.c
xt_repldata.h net: netfilter: LLVMLinux: vlais-netfilter 2014-06-07 11:44:39 -07:00
xt_sctp.c
xt_SECMARK.c
xt_set.c netfilter: ipset: Add skbinfo extension support to SET target. 2014-09-15 22:20:21 +02:00
xt_socket.c
xt_state.c
xt_statistic.c
xt_string.c netfilter: xt_string: Remove unnecessary initialization of struct ts_state 2014-09-09 16:31:25 +02:00
xt_tcpmss.c
xt_TCPMSS.c
xt_TCPOPTSTRIP.c
xt_tcpudp.c
xt_TEE.c
xt_time.c
xt_TPROXY.c
xt_TRACE.c
xt_u32.c