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(parent: bdf533d) | patch
netfilter: x_tables: make sure e->next_offset covers remaining blob size
authorFlorian Westphal <fw@strlen.de>
Tue, 22 Mar 2016 17:02:50 +0000 (18:02 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 28 Mar 2016 15:59:08 +0000 (17:59 +0200)
commit6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
tree381afe4030c7f934e3fbdb7bf3c9686d28492c13tree | snapshot
parentbdf533de6968e9686df777dc178486f600c6e617commit | diff
netfilter: x_tables: make sure e->next_offset covers remaining blob size

Otherwise this function may read data beyond the ruleset blob.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.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
Domain: System / Kernel;