Hacker TheFlow shares PS4 Kernel bug details, says it can’t be turned into an exploit

June 11th, 2019, 22:04 Posted By: wraggster

Famed Vita hacker TheFlow has now apparently turned to investigating the PS4. He tweeted yesterday about a Kernel vulnerability on the PS4, that he said has been patched somewhere between firmwares 5.05 and 6.20.

Even if you’re on one of the firmwares that could benefit from this bug though, the hacker almost instantly confirmed it is not exploitable.

Unfortunately fixed somewhere between 5.05 and 6.20.
— Andy Nguyen (@theflow0) June 3, 2019

Nvm this bug is not exploitable, as copyout will simply abort if it dst+len wraps around or is higher than 0x8000000000000000. However, Sony did actually fix it by adding a max_len > 0 check, so I thought it could be abused.
— Anhttp://wololo.net/2019/06/04/hacker-theflow-shares-ps4-kernel-bug-details-says-it-cant-be-turned-into-an-exploit/dy Nguyen (@theflow0) June 3, 2019

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