multicast_bytecopy is a kernel r/w exploit for iOS 15.0 - 15.1.1 by @jaakerblom and the spiritual successor of multipath_kfree.
The exploit can be adapted to gain kernel r/w on prior iOS versions. This implementation is for iOS 15.0 - 15.1.1.
The bug exploited is CVE-2021-30937 patched in iOS 15.2. The code uses iokit.h by @s1guza and a couple of IOSurface definitions by @bazad. multicast_bytecopy is a kernel r/w exploit for iOS 15.0 - 15.1.1
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Rascals are always sociable, and the chief sign that a man has any nobility in his character is the little pleasure he takes in others company. Arthur Schopenhauer
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