Vasiliy Kulikov 975c07cc89 net: packet: fix information leak to userland ... commit 67286640f6 upstream. packet_getname_spkt() doesn't initialize all members of sa_data field of sockaddr struct if strlen(dev->name) < 13. This structure is then copied to userland. It leads to leaking of contents of kernel stack memory. We have to fully fill sa_data with strncpy() instead of strlcpy(). The same with packet_getname(): it doesn't initialize sll_pkttype field of sockaddr_ll. Set it to zero. Signed-off-by: Vasiliy Kulikov <segooon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Cc: Moritz Muehlenhoff <jmm@debian.org> [jmm: Backported to 2.6.32] Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2011-04-14 16:53:46 -07:00
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af_packet.c	net: packet: fix information leak to userland	2011-04-14 16:53:46 -07:00
Kconfig	[NET]: move config options out to individual protocols	2005-07-11 21:13:56 -07:00
Makefile	Linux-2.6.12-rc2	2005-04-16 15:20:36 -07:00