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(parent: ccb8583) | patch
netfilter: x_tables: validate e->target_offset early
authorFlorian Westphal <fw@strlen.de>
Tue, 22 Mar 2016 17:02:49 +0000 (18:02 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 24 Jun 2016 17:18:22 +0000 (10:18 -0700)
commit59ff9f9b38b39afeb167fdc16c52976587b2c45a
tree33824afe2dda0c28d3c9481590c91bd61013858btree | snapshot
parentccb85835a159923d7f79fd51cfd614962426ecf2commit | diff
netfilter: x_tables: validate e->target_offset early

commit bdf533de6968e9686df777dc178486f600c6e617 upstream.

We should check that e->target_offset is sane before
mark_source_chains gets called since it will fetch the target entry
for loop detection.

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>
net/ipv4/netfilter/arp_tables.c diff | blob | history
net/ipv4/netfilter/ip_tables.c diff | blob | history
net/ipv6/netfilter/ip6_tables.c diff | blob | history
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