From bfa37aaea1e30e2772336a581b27ad77c8ed3291 Mon Sep 17 00:00:00 2001
From: Mathias Krause <minipli@googlemail.com>
Date: Mon, 30 Sep 2013 22:04:24 +0200
Subject: [PATCH] audit: fix info leak in AUDIT_GET requests
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@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
Cc: stable@vger.kernel.org # v2.6.6+
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
---
kernel/audit.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/audit.c b/kernel/audit.c
index f3f36f5eb4ae4..e0f7767e4a3d6 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -759,6 +759,7 @@ 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;
--
2.39.5