Let's have a look at a recent kernel local privilege escalation exploit!

Exploit Source: https://hxp.io/blog/79/hxpCTF2020w...
Kernel Developer Walkthrough:    • SerenityOS exploit analysis: HXP CTF ...  

Syscalls, Kernel vs. User Mode and Linux Kernel Source Code:    • Syscalls, Kernel vs. User Mode and Li...  
How Do Linux Kernel Drivers Work?    • How Do Linux Kernel Drivers Work?  L...  

TShirt Series:    • My Life in Short/Shirt Stories (Decem...  

00:00 Introduction
00:15 Exploit PoC
00:39 main()
00:52 prepare_shellcode()
02:39 mmap() shared memory to signal "ready" state
03:07 fork() into [child] and [parent]
03:44 [parent] wait for the child
04:00 [child] unveil() loop
05:03 [parent] ptrace ATTACH and POKE child
05:58 [child] execve("passwd")
06:38 [parent] PEEK entrypoint of child in loop
07:34 [parent] child entrypoint changes!
07:49 Exploit Walkthrough
09:20 Root Shell via Shellcode
10:10 Vulnerability Summary
10:37 Which UNIXlike Kernel is this?
12:44 The importance for Security Research
13:59 Next Video and Resources
14:22 Patreon and YT Members

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