New Bootrom Exploit to Jailbreak 4.3 iPad 2

Comex, the mind behind [You must be registered and logged in to see this link.] and [You must be registered and logged in to see this link.], has unveiled some good news regarding iPad 2 jailbreak, as we [You must be registered and logged in to see this link.] you last week that Comex has successfully jailbroke iPad 2 on iOS 4.3 with his upcoming userland jailbreak, today he just confirmed that there's new bootom exploit has been discovered by someone to jailbreak iPad 2 on iOS 4.3.
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Someone asking Comex: is your new iPad 2 exploit in the boot rom? Or a userland exploit? Kinda curious. I am one of the lucky ones who landed one day one.
Comex replying: Userland, but I hear someone has a bootrom vulnerability that they might have exploited.

Comex didn't announce about the hacker who have this bootrom exploit. On the other hand you have to know that also Stefan Essar (iPhone hacker) also has confirmed that he will release his untethered iPad 2 jailbreak on iOS 4.3 by the [You must be registered and logged in to see this link.].

It's highly expected that hacker behind this exploit will keep his bootrom exploit until iPhone 5 releases to make it effective for the longest period as much as they can, as this kind of exploits is only patched by a hardware upgrade. But the userland exploit is a software exploit which can be patched on any iOS update.