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@r_jailbreak
Are you a tech-savvy individual who loves to push the boundaries of your devices? Look no further than the r/jailbreak Telegram channel, where you can stay up-to-date with the latest posts from reddit.com/r/jailbreak. This unofficial channel is powered by @r_channels, ensuring you get a curated selection of all things related to jailbreaking. Whether you're new to the world of jailbreaking or a seasoned pro, this channel is perfect for anyone looking to explore the endless possibilities of customizing their devices. Join us today and unlock the full potential of your device with the help of the r/jailbreak community!
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getDFUImage()
to be called again, it creates a problem for us - as the newly-allocated IO buffer will normally just be placed over the freed buffer - rendering the main vulnerability completely useless. This is where the memory leak comes in - allowing the attacker to trick the heap allocator into allocating the new IO buffer elsewhere on the heap. This is also why the A12 and A13 SecureROMs are not vulnerable to the checkm8 exploit. They are vulnerable to the use-after-free, and it can be triggered, but there is no way to prevent the re-allocation of the IO buffer over the freed one.14 Nov, 17:42
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memorystatus_control
syscalls (this requires an entitlement, more on those later) in the XPC service entry point file. The special __attribute__ ((constructor))
syntax (for tweak devs reading, this is what the preprocessor %ctor
Logos directive stands for) causes the jetsamConfigurator
function to run at load time, before even the main
function (entry point), so we can easily raise our jetsam limits to a more manageable 840 MB.26 Oct, 10:42
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