[PATCH 1/2] audit: fix info leak in AUDIT_GET requests

[Mathias Krause]

We leak 4 bytes of kernel stack in response to an AUDIT_GET request as
we miss to initialize the mask member of status_set. Fix that.

Cc: Al Viro <viro at zeniv.linux.org.uk>
Cc: Eric Paris <eparis at redhat.com>
Cc: stable at vger.kernel.org  # v2.6.6+
Signed-off-by: Mathias Krause <minipli at googlemail.com>
---
 kernel/audit.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/audit.c b/kernel/audit.c
index 7b0e23a..e237712 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -659,6 +659,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 
 	switch (msg_type) {
 	case AUDIT_GET:
+		status_set.mask		 = 0;
 		status_set.enabled	 = audit_enabled;
 		status_set.failure	 = audit_failure;
 		status_set.pid		 = audit_pid;
-- 
1.7.10.4