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PS4 Jailbreak Fully operational dlclose exploit By: kR105

#1
The name kR105 might ring a Bell to you because this developer has been credited a lot recently by CTurt on his PS4 hack work. Today, kR105 popped up on wololo.net to release something that lots of us have been chasing for a while: a fully operational dlclose exploit. He also emailed wololo to mention he has now integrated support for booting Linux straight from the PS4-Playground tools, and, icing on the cake, also provided the actual PS4 Linux files to use with the tools.

In other words, kR105 is closing the gap here, releasing everything you need to run Linux on your PS4. This is not a drill or a proof of concept video, people. The files are up for anyone to grab. I haven’t tested them myself though, because I’ve still been hesitating on getting a 1.76 PS4, but I’m regretting not having one every day that goes by. If you’re the lucky owner of a PS4 1.76 though (we have an article here on where you might be able to get one), now’s the right time to test this! Furthermore, there’s absolutely no reason to doubt this release is real, given that it initiates strait from kR105, in CTurt’s github. Also CTurt confirmed this release to wololo earlier today.

So, what was just released by kR105?

A fully functional dlclose exploit. The exploit had been released about a week ago, and several people had been able to take it further, but there were still issues on how the publicly available code was working, crashing as soon as the exploit was attempting to return to userland. kR105’s release fixes all of that, it includes root, sandbox escape and jailbreak. This exploit is what you’ll want to run your native code on a 1.76 PS4

[Image: dlclose_ps4_kernel_exploit_cturt.jpg]

An update to PS4-Playground to run Linux. Another missing link here, that will let people launch linux without having to write their own loader. The launcher integrates the dlclose exploit if I understand correctly. From the Readme:

Quote:You need a FAT32 formatted USB drive plugged in on any PS4’s USB port with the following files on the root directory:



Code:
bzImage
: Kernel image that will be loaded. Recommended to use this sources to compile it.



Code:
initramfs.cpio.gz
: The initial file system that gets loaded into memory during the Linux startup process. This one is recommended.
The file names must match with the above and you can have more files on the same USB drive. From there you can setup the environment to run from an NFS share or from an external drive via USB (recommended) and boot a complete distro!


[Image: linux_loader.jpg]

A Compiled distro of Linux for the PS4. kR105 has the files bzImage and initramfs.cpio.gz ready for anyone to grab, so you don’t have to compile your own version. In his words: “those files should get you into linux with a nice bash console on your tv”.

Downloads


Source: wololo.net
[Image: 8OHl5AB.png]
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