Florian Westphal 1f3b9000cb netfilter: x_tables: fix compat match/target pad out-of-bound write ...

commit b29c457a65 upstream.

xt_compat_match/target_from_user doesn't check that zeroing the area
to start of next rule won't write past end of allocated ruleset blob.

Remove this code and zero the entire blob beforehand.

Reported-by: syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com
Reported-by: Andy Nguyen <theflow@google.com>
Fixes: 9fa492cdc1 ("[NETFILTER]: x_tables: simplify compat API")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-04-16 11:43:21 +02:00

..

ip6_tables.c

netfilter: x_tables: fix compat match/target pad out-of-bound write

2021-04-16 11:43:21 +02:00

ip6t_ah.c

netfilter: ip6tables: Remove redundant null checks

2020-07-29 20:39:43 +02:00

ip6t_eui64.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

ip6t_frag.c

netfilter: ip6tables: Remove redundant null checks

2020-07-29 20:39:43 +02:00

ip6t_hbh.c

netfilter: ip6tables: Remove redundant null checks

2020-07-29 20:39:43 +02:00

ip6t_ipv6header.c

netfilter: move inline nf_ip6_ext_hdr() function to a more appropriate header.

2019-09-13 12:34:09 +02:00

ip6t_mh.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

ip6t_NPT.c

netfilter: ip6t_NPT: rewrite addresses in ICMPv6 original packet

2020-08-28 19:18:48 +02:00

ip6t_REJECT.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

ip6t_rpfilter.c

netfilter: Fix rpfilter dropping vrf packets by mistake

2019-07-16 13:16:47 +02:00

ip6t_rt.c

netfilter: ip6tables: Remove redundant null checks

2020-07-29 20:39:43 +02:00

ip6t_srh.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30 11:26:32 -07:00

ip6t_SYNPROXY.c

netfilter: Add MODULE_DESCRIPTION entries to kernel modules

2020-06-25 00:50:31 +02:00

ip6table_filter.c

netfilter: ip6tables: Add a .pre_exit hook in all ip6table_foo.c.

2020-06-25 00:50:31 +02:00

ip6table_mangle.c

netfilter: use actual socket sk rather than skb sk when routing harder

2020-10-30 12:57:39 +01:00

ip6table_nat.c

netfilter: ip6tables: Add a .pre_exit hook in all ip6table_foo.c.

2020-06-25 00:50:31 +02:00

ip6table_raw.c

netfilter: ip6tables: Add a .pre_exit hook in all ip6table_foo.c.

2020-06-25 00:50:31 +02:00

ip6table_security.c

netfilter: ip6tables: Add a .pre_exit hook in all ip6table_foo.c.

2020-06-25 00:50:31 +02:00

Kconfig

treewide: replace '---help---' in Kconfig files with 'help'

2020-06-14 01:57:21 +09:00

Makefile

netfilter: x_tables: merge ip and ipv6 masquerade modules

2019-04-11 20:59:29 +02:00

nf_conntrack_reasm.c

ipv6: Remove dependency of ipv6_frag_thdr_truncated on ipv6 module

2020-11-19 10:49:50 -08:00

nf_defrag_ipv6_hooks.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500

2019-06-19 17:09:55 +02:00

nf_dup_ipv6.c

netfilter: drop bridge nf reset from nf_reset

2019-10-01 18:42:15 +02:00

nf_flow_table_ipv6.c

netfilter: Add MODULE_DESCRIPTION entries to kernel modules

2020-06-25 00:50:31 +02:00

nf_log_ipv6.c

netfilter: nf_log: missing vlan offload tag and proto

2020-10-14 01:25:14 +02:00

nf_reject_ipv6.c

netfilter: introduce support for reject at prerouting stage

2020-06-30 18:21:02 +02:00

nf_socket_ipv6.c

treewide: Remove uninitialized_var() usage

2020-07-16 12:35:15 -07:00

nf_tproxy_ipv6.c

netfilter: nft_tproxy: Fix typo in IPv6 module description.

2019-10-17 12:21:11 +02:00

nft_dup_ipv6.c

netfilter: Add MODULE_DESCRIPTION entries to kernel modules

2020-06-25 00:50:31 +02:00

nft_fib_ipv6.c

netfilter: Add MODULE_DESCRIPTION entries to kernel modules

2020-06-25 00:50:31 +02:00

nft_reject_ipv6.c

netfilter: Add MODULE_DESCRIPTION entries to kernel modules

2020-06-25 00:50:31 +02:00