James Morris a280b89982 [SECURITY] secmark: nul-terminate secdata
The patch below fixes a problem in the iptables SECMARK target, where
the user-supplied 'selctx' string may not be nul-terminated.

From initial analysis, it seems that the strlen() called from
selinux_string_to_sid() could run until it arbitrarily finds a zero,
and possibly cause a kernel oops before then.

The impact of this appears limited because the operation requires
CAP_NET_ADMIN, which is essentially always root.  Also, the module is
not yet in wide use.

Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-08-02 13:38:23 -07:00
..
2006-07-24 13:52:13 -07:00
2006-07-12 13:58:59 -07:00
2006-07-21 15:52:20 -07:00
2006-01-12 14:06:31 -08:00
2005-04-16 15:20:36 -07:00