From: Mathias Krause <minipli@googlemail.com>
Date: Wed, 15 Aug 2012 11:31:54 +0000 (+0000)
Subject: dccp: check ccid before dereferencing
X-Git-Tag: v3.6-rc3~10^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=276bdb82dedb290511467a5a4fdbe9f0b52dce6f;p=pandora-kernel.git

dccp: check ccid before dereferencing

ccid_hc_rx_getsockopt() and ccid_hc_tx_getsockopt() might be called with
a NULL ccid pointer leading to a NULL pointer dereference. This could
lead to a privilege escalation if the attacker is able to map page 0 and
prepare it with a fake ccid_ops pointer.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
---

Reading git-diff-tree failed