Earlier quoted context omitted.
Linux doesn't have a magic fix for buffer overflows in networking stacks written in C.
> except for clients that paid for an extended support deal It does have a fix for this, though
Upgrading to a new version of Windows was apparently not possible, which also means that upgrading to a new Linux version would also have been out of the books.
So the only solution would have been to hire someone to backport whatever fix was needed.