The answer is not complete, however, since the next question is how to gain kernel privilege. With kernel privilege we are able to patch kernel so as to run unsigned homebrew, to skip version check, so on and so forth. The answer is straightforward: to be able to run our own routine with kernel privilege. ifhandle is obviously ported from FreeBSD 4 release with slight changes. Some routines of ifhandle are 100% duplication of original mbuf code.īefore we inspect the kxploit, let’s understand what we want to achieve from a kxploit. It’s originated from BSD, and is widely adopted by commercial products due to BSD license. mbuf is the basic unit of memory management for network packets and socket buffers. 660 kxploit is within ifhandle.pfx, which is the PSP port of mbuf.
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