In the Linux kernel, the following vulnerability has been resolved: ksmbd: use list_first_entry_or_null for opinfo_get_list() The list_first_entry() macro never returns NULL. If the list is empty then it returns an invalid pointer. Use list_first_entry_or_null() to check if the list is empty.
https://git.kernel.org/stable/c/cb7e06e9736d73007dc8dab7b353733bb37df86b
https://git.kernel.org/stable/c/c78abb646ff823e7d22faad4cc0703d4484da9e8
https://git.kernel.org/stable/c/334da674b25fdb7a1a4d4b89dcd7795144fc7e11
https://git.kernel.org/stable/c/10379171f346e6f61d30d9949500a8de4336444a