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PS3 4.21 LV2 Patcher is Now Available, Sign and Run Homebrew


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109w ago - Following up on the PS3 4.21 EBOOT Resigner SCETool Script, today I am releasing a PC tool called the PlayStation 3 4.21 LV2 Patcher.

Download: [Register or Login to view links] / [Register or Login to view links] (Mirror)

Basically what this does it disables lv2 from using the appldr to check homebrew. This will allow you to sign and run homebrew.

Just for a heads up. This has about no use to the average user because you need the lv2_kernel decrypted for this to work.

How to use:

  • Press the big button in the middle.
  • Located your file.
  • Open it and you're done.

Credits to KaKaRoTo for sharing the information.

Finally, those looking for some more PS3 4.21 CFW homebrew may wish to check out Comgenie's Awesome Filemanager v0.06 for PS3 4.21 CFW, BlackB0x FTP V1.2 for 4.21 CFW / ReActPSN Rogero Fix for 4.21 CFW and Several PS3 CFW 4.21 Homebrew Ports.




Stay tuned for more PS3 Hacks and PS3 CFW news, follow us on Twitter and be sure to drop by the PS3 Hacks and PS3 Custom Firmware Forums for the latest PlayStation 3 scene updates and homebrew releases!

Comments 266 Comments - Go to Forum Thread »

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Tidusnake666's Avatar
#46 - Tidusnake666 - 114w ago
stack overflow... so 199X-th.... but still works!! Haha!

I still prefer to use 0xFACEBOOC instead of 0xABADCAFE lol

technodon's Avatar
#45 - technodon - 114w ago
basically a payload like the one used in the 3.41 jailbreak (hermes) is loaded into stack overflow when the ps3 tries to read this the payload is loaded into memory and you get unsigned code execution. but the problem is that ps3 is using the stack and it copies something to it instead of reading first.

so the payload which has been loaded there is being over written before it has been read and is deleted so if you could somehow make the ps3 read from stack or load the payload just before the stack gets read the payload would be loaded and you have a new jailbreak.

JOshISPoser's Avatar
#44 - JOshISPoser - 114w ago
i'm understanding it a bit more. the higher the lvl, the more security breaches needed because it'll allow it to be more open?

CJPC's Avatar
#43 - CJPC - 114w ago
Generally, assuming that there is already a user mode exploit (think an exploit in a game), using this exploit will allow you to elevate permission to kernel level. The simplest way to think about it is the PSP exploits, and how multiple exploits were needed. Generally, of course!

JOshISPoser's Avatar
#42 - JOshISPoser - 114w ago
if that was to me, it doesn't make sense.

eh, whatever. i know it's not exactly for me, i was just wondering the possibilities but i'm guessing it's not something easily explained in a sentence or two in laymen terms.

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