In the Linux kernel, the following vulnerability has been resolved:tipc: check for null after calling kmemdupkmemdup can return a null pointer so need to check for it, otherwisethe null key will be dereferenced later in tipc_crypto_key_xmit ascan be seen in the trace [1].[1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58
CWE-690 Unchecked Return Value to NULL Pointer Dereference