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authorMathias Krause <minipli@googlemail.com>2013-04-07 01:51:55 +0000
committerDavid S. Miller <davem@davemloft.net>2013-04-07 16:28:01 -0400
commitb860d3cc62877fad02863e2a08efff69a19382d2 (patch)
treee654b34c09acf71de2864416e5d13cb3cd0c10f3 /net/llc
parenta5598bd9c087dc0efc250a5221e5d0e6f584ee88 (diff)
downloadlinux-b860d3cc62877fad02863e2a08efff69a19382d2.tar.bz2
l2tp: fix info leak in l2tp_ip6_recvmsg()
The L2TP code for IPv6 fails to initialize the l2tp_conn_id member of struct sockaddr_l2tpip6 and therefore leaks four bytes kernel stack in l2tp_ip6_recvmsg() in case msg_name is set. Initialize l2tp_conn_id with 0 to avoid the info leak. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/llc')
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