redonkable/remarkable-linux
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remarkable-linux/net/ipv4/netfilter
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Thomas Graf c58dd2dd44 netfilter: Can't fail and free after table replacement 
All xtables variants suffer from the defect that the copy_to_user()
to copy the counters to user memory may fail after the table has
already been exchanged and thus exposed. Return an error at this
point will result in freeing the already exposed table. Any
subsequent packet processing will result in a kernel panic.

We can't copy the counters before exposing the new tables as we
want provide the counter state after the old table has been
unhooked. Therefore convert this into a silent error.

Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-04-05 17:46:22 +02:00
..
arp_tables.c netfilter: Can't fail and free after table replacement 2014-04-05 17:46:22 +02:00
arpt_mangle.c netfilter: arpt_mangle: fix return values of checkentry 2011-02-01 16:03:46 +01:00
arptable_filter.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
ip_tables.c netfilter: Can't fail and free after table replacement 2014-04-05 17:46:22 +02:00
ipt_ah.c netfilter: xtables: change hotdrop pointer to direct modification 2010-05-11 18:35:27 +02:00
ipt_CLUSTERIP.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2013-11-04 19:46:58 -05:00
ipt_ECN.c netfilter: xtables: substitute temporary defines by final name 2010-05-11 18:31:17 +02:00
ipt_MASQUERADE.c netfilter: nf_conntrack: don't send destroy events from iterator 2013-08-09 12:03:33 +02:00
ipt_REJECT.c netfilter: REJECT: separate reusable code 2013-12-30 15:04:41 +01:00
ipt_rpfilter.c netfilter: xt_rpfilter: skip locally generated broadcast/multicast, too 2013-04-19 00:11:59 +02:00
ipt_SYNPROXY.c netfilter: SYNPROXY target: restrict to INPUT/FORWARD 2013-12-11 11:30:25 +01:00
ipt_ULOG.c netfilter: ipt_ULOG: fix info leaks 2013-10-02 17:28:36 +02:00
iptable_filter.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
iptable_mangle.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
iptable_nat.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
iptable_raw.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
iptable_security.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
Kconfig netfilter: nft_reject: split up reject module into IPv4 and IPv6 specifc parts 2014-02-06 09:44:10 +01:00
Makefile netfilter: nft_reject: split up reject module into IPv4 and IPv6 specifc parts 2014-02-06 09:44:10 +01:00
nf_conntrack_l3proto_ipv4.c netfilter: nf_conntrack: remove dead code 2014-01-03 23:41:37 +01:00
nf_conntrack_l3proto_ipv4_compat.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_conntrack_proto_icmp.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_defrag_ipv4.c netfilter: pass hook ops to hookfn 2013-10-14 11:29:31 +02:00
nf_nat_h323.c netfilter: nf_nat_h323: fix crash in nf_ct_unlink_expect_report() 2014-02-05 17:46:05 +01:00
nf_nat_l3proto_ipv4.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_pptp.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_nat_proto_gre.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_nat_proto_icmp.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_snmp_basic.c netfilter: nf_nat_snmp_basic: fix duplicates in if/else branches 2014-02-14 11:37:36 +01:00
nf_tables_arp.c netfilter: nf_tables: rename nft_do_chain_pktinfo() to nft_do_chain() 2014-01-09 20:17:16 +01:00
nf_tables_ipv4.c netfilter: nf_tables: fix error path in the init functions 2014-01-09 23:25:48 +01:00
nft_chain_nat_ipv4.c netfilter: nf_tables: rename nft_do_chain_pktinfo() to nft_do_chain() 2014-01-09 20:17:16 +01:00
nft_chain_route_ipv4.c netfilter: nf_tables: rename nft_do_chain_pktinfo() to nft_do_chain() 2014-01-09 20:17:16 +01:00
nft_reject_ipv4.c netfilter: nf_tables: add reject module for NFPROTO_INET 2014-02-06 09:44:18 +01:00