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PS4 Jailbreaking       Thread starter PSXHAX       Start date Mar 12, 2021 at 4:24 PM       81,177       131      
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Proceeding the previous 7.02 PS4JB, the recent PS4 KHook Kernel Hooking Payload, updated PS4 FPKG Releases and Day[0] Stream earlier today PlayStation 4 Scene developer @sleirsgoevy (Github) made available via Twitter a PS4 7.50 Kernel Exploit noting with no promises that 7.55 may also come in a few more days as the exploit is confirmed working without any changes and released now! :love:

Download: 750.zip (508 KB) / todex.bin (For 7.55) (2.31 KB) / Live Demo via Chronoss09 / ps4jb-750-755.zip (511 KB) / PS4 Game Firmware Lists / 7.55 PS4 Games List / PS4 Official Firmware (OFW) Archives

It's always recommended to wait for improved stability and 7.50 payload ports before updating. In the Tweets below, he also stated the following details:
  • 7.50, expects payload on 9020/tcp.
  • Applied patches: mmap, mprotect, syscall everywhere, kexec, delayed panics.
  • Note: there is no Mira/HEN for 7.50 yet!
PS4 750 JAILBREAK POC
Code:
// Patch sys_dynlib_dlsym: Allow from anywhere
int kpayload_dynlib_patch(struct thread *td, struct kpayload_firmware_args *args) {
  UNUSED(td);
  UNUSED(args);

  void *kernel_base;
  uint8_t *kernel_ptr;

  uint8_t *kmem;
  uint8_t *dynlib_patch_1;
  uint8_t *dynlib_patch_2;

  kernel_base = &((uint8_t *)__readmsr(0xC0000082))[-0x000001C0];
  kernel_ptr = (uint8_t *)kernel_base;
  dynlib_patch_1 = &kernel_ptr[0x004523C4];
  dynlib_patch_2 = &kernel_ptr[0x00029A30];

  uint64_t cr0 = readCr0();
  writeCr0(cr0 & ~X86_CR0_WP);

  kmem = (uint8_t *)dynlib_patch_1;
  kmem[0] = 0x90;
  kmem[1] = 0xE9;

  kmem = (uint8_t *)dynlib_patch_2;
  kmem[0] = 0x48;
  kmem[1] = 0x31;
  kmem[2] = 0xC0;
  kmem[3] = 0xC3;

  writeCr0(cr0);

  return 0;
}

int dynlib_patch() {
  struct kpayload_firmware_info kpayload_firmware_info;
  kpayload_firmware_info.fw_version = 0;
  return kexec(&kpayload_dynlib_patch, &kpayload_firmware_info);
}
TEST new PS4 exploit 7.51 via donatelo27
TESTING 7.50 KERNEL EXPLOIT ON 7.51 via bilaltheking
Cheers to FLRIZDARKK for the heads-up earlier on and mohammad_fadel1 for sharing a screenshot via Twitter! 🍻
PS4 7.50 Kernel Exploit via Sleirsgoevy, 7.55 May Come in a Few Days!.png
 

Comments

ceejays

Senior Member
Contributor
Verified
@szczurupasja your psn person ID is in the game saves so yes you can restore account with a account activater which would require pc or laptop connected to ps4 and ftp to ps4 with ps4 debug bin

I suggest you look for tutorial but all this is unnecessary unless you are changing your hardrive
 

mittyredstar

Senior Member
Contributor
Verified
little games list for 7.55 :
  • The Last of Us Part 2
  • Ghost of Tsushima
  • Cyberpunk 2077
  • Marvel's Avengers
  • Crash Bandicoot 4
  • Mafia Definitive Edition
  • FIFA 2021
  • NBA 2K21
  • Tony Hawk's Pro Skater 1+2
  • WRC 9
  • Watch Dogs Legion
  • Crysys Remastered
  • Dirt 5
  • Assassin's Creed Valhalla
  • Spider-Man Miles Morales
 
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