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| author | Mathias Krause <minipli@googlemail.com> | 2013-09-30 22:04:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-04 10:57:02 -0800 |
| commit | 3dc7095c8e78dfeb20dce066fe8bfdfd8497212e (patch) | |
| tree | 14f98c32e75f8a7e1568159e643e97067c7a375f /kernel | |
| parent | d6770065f950cf0f7a2d89b4b419af6c0499ccfe (diff) | |
| download | lwn-3dc7095c8e78dfeb20dce066fe8bfdfd8497212e.tar.gz lwn-3dc7095c8e78dfeb20dce066fe8bfdfd8497212e.zip | |
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>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/audit.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/audit.c b/kernel/audit.c index 5ce53337a9e4..34eeb48f9c34 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; |