Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-46755)

wifi: mwifiex: Do not return unused priv in mwifiexgetprivbyid. mwifiexgetprivbyid returns the priv pointer corresponding to the bssnum and bsstype, but without checking if the priv is actually currently in use. Unused priv pointers do not have a wiphy attached to them which can lead to NULL...