netfilter: nfnetlink: validate nfnetlink header from batch

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commit 9ea2aa8b7d upstream.

Make sure there is enough room for the nfnetlink header in the
netlink messages that are part of the batch. There is a similar
check in netlink_rcv_skb().

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Pablo Neira Ayuso 2015-01-04 15:20:29 +01:00 • committed by Luis Henriques

parent 1244fcc0fe

commit d922a1cee4

1 changed files with 2 additions and 1 deletions

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net/netfilter/nfnetlink.c

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