libceph: Fix NULL pointer dereference in auth client code

A malicious monitor can craft an auth reply message that could cause a
NULL function pointer dereference in the client's kernel.

To prevent this, the auth_none protocol handler needs an empty
ceph_auth_client_ops->build_request() function.

CVE-2013-1059

Signed-off-by: Tyler Hicks <[email protected]>
Reported-by: Chanam Park <[email protected]>
Reviewed-by: Seth Arnold <[email protected]>
Reviewed-by: Sage Weil <[email protected]>
Cc: [email protected]

0 files changed, 0 insertions, 0 deletions