| commit | 04d4fbca1017c11381e7d82acea21dd741e748bc | |
| author | Mathias Krause <minipli@googlemail.com> | |
| Wed, 15 Aug 2012 11:31:52 +0000 (15 11:31 +0000) | ||
| committer | David S. Miller <davem@davemloft.net> | |
| Thu, 16 Aug 2012 04:36:31 +0000 (15 21:36 -0700) | ||
| tree | a12bca825e4a2251c9acec3812a8cbfd067abec1 | treesnapshot (tar.gz zip) |
| parent | 792039c73cf176c8e39a6e8beef2c94ff46522ed | commitdiff |
l2tp: fix info leak via getsockname()
The L2TP code for IPv6 fails to initialize the l2tp_unused member of
struct sockaddr_l2tpip6 and that for leaks two bytes kernel stack via
the getsockname() syscall. Initialize l2tp_unused with 0 to avoid the
info leak.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The L2TP code for IPv6 fails to initialize the l2tp_unused member of
struct sockaddr_l2tpip6 and that for leaks two bytes kernel stack via
the getsockname() syscall. Initialize l2tp_unused with 0 to avoid the
info leak.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| net/l2tp/l2tp_ip6.c | diffblobblamehistory |