In the Linux kernel, the following vulnerability has been resolved:
NFS: Fix an Oopsable condition in _nfspageioaddrequest()
Ensure that nfspageioerrorcleanup() resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfspageiodoaddrequest() to be more robust by checking whether or not the list is empty rather than relying on the value of pgcount.