[PATCH 3.11 004/272] audit: fix info leak in AUDIT_GET requests
Luis Henriques
luis.henriques at canonical.com
Fri Dec 6 12:54:53 UTC 2013
3.11.10.1 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Mathias Krause <minipli at googlemail.com>
commit 64fbff9ae0a0a843365d922e0057fc785f23f0e3 upstream.
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>
Signed-off-by: Mathias Krause <minipli at googlemail.com>
Signed-off-by: Richard Guy Briggs <rgb at redhat.com>
Signed-off-by: Eric Paris <eparis at redhat.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
kernel/audit.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/audit.c b/kernel/audit.c
index f5dc4b5..d397a61 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;
--
1.8.3.2
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