Yep. Every few months, someone learns about this, thinks they've made a new discovery, and writes a breathless blog post imagining the possibilities of what can be done with it.
Spoiler alert, you almost certainly have been completely pwned already if someone can set LD_PRELOAD or modify /etc/ld.so.conf.
Spoiler alert, you almost certainly have been completely pwned already if someone can set LD_PRELOAD or modify /etc/ld.so.conf.