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audit: fix info leak in AUDIT_GET requests 

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@zeniv.linux.org.uk>
Cc: Eric Paris <eparis@redhat.com>
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathias Krause 2013-09-30 22:04:24 +02:00 committed by Greg Kroah-Hartman
parent d6770065f9
commit 3dc7095c8e
1 changed files with 1 additions and 0 deletions
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kernel/audit.c
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@ -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;