kernel: mlxsw: spectrum: Protect driver from buggy firmware

A vulnerability was found in the Linux kernel's mlxsw spectrum driver, where processing port up/down events leads to a NULL pointer dereference. This issue occurs when the driver fails to handle events for the CPU port, which exists but lacks a corresponding network device, resulting in system...

librdmacm: Tried to connect to port 6125 if ibacm.port was not found

librdmacm 1.0.16, when ibacm.port is not specified, connects to port 6125, which allows remote attackers to specify the address resolution information for the application via a malicious ibacm service...