Commit 64fbff9a authored Sep 30, 2013 by Mathias Krause Committed by Eric Paris Nov 05, 2013

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>

parent db510fc5

kernel/audit.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;