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sam4k

@sam4k.com
219 followers 69 following 8 posts

pwning kernels & blogging on os internals 🌱

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sam4k @sam4k.com · 03/06/2025
Thank you!! I'm glad they're helpful 🙌
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sam4k @sam4k.com · 08/05/2025
with offensivecon around the corner, i figured id write another post on linux kernel exploitation techniques - this time i cover the world of page table exploitation! enjoy 🤓 sam4k.com/page-table-k...
sam4k.com
Kernel Exploitation Techniques: Turning The (Page) Tables
This post explores attacking page tables as a Linux kernel exploitation technique for gaining powerful read/write primitives.
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Linux Kernel Security @linkersec.bsky.social · 18/12/2024
Diving into Linux kernel security Alexander Popov published his H2HC talk slides that describe how to get started with learning Linux kernel security and knowingly configure the security parameters of Linux-based systems. a13xp0p0v.github.io/img/Alexande...
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tmp0ut @tmpout.sh · 16/12/2024
We are extending our call for papers to January 1, 2025! We are now targeting an end of January release. If you have any Linux/ELF related research, projects, or papers, we would love to publish them! Huge thank you to everyone who has already submitted! tmpout.sh/blog/vol4-cf...
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sam4k @sam4k.com · 16/12/2024
it's been a while, but here's a new post in my linternals series where i attempt to introduce the linux kernel's memory management subsystem 🐧 sam4k.com/linternals-e...
sam4k.com
Linternals: Exploring The mm Subsystem via mmap [0x01]
In this series we'll explore the Linux kernel's memory management subsystem, using a simple userspace program as our starting point.
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sam4k @sam4k.com · 03/12/2024
for anyone interested in linux kernel or android security research, i'm experimenting with a custom feed here bsky.app/profile/did:...
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Linux Kernel Security @linkersec.bsky.social · 27/11/2024
Novel approach to exploit a limited OOB on Ubuntu at Pwn2Own Vancouver 2024 Slides from a talk by Pumpkin Chang about exploiting a stack out-of-bounds write bug in the traffic control subsystem. u1f383.github.io/slides/talks...
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sam4k @sam4k.com · 05/07/2023
pretty cool UAF in the handling of stack expansion in kernels 6.1 - 6.4 seclists.org/oss-sec/2023/q3/4
seclists.org
oss-sec: StackRot (CVE-2023-3269): Linux kernel privilege escalation vulnerability
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sam4k @sam4k.com · 19/06/2023
took so many photos exploring seoul, feel obliged to at least share a few
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sam4k @sam4k.com · 19/06/2023
just got back from speaking on kernel exploitation at typhooncon in seoul: awesome organisers, attendees and city :)
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sam4k @sam4k.com · 08/06/2023
heading off to seoul tomorrow, super excited for my first time in south korea and at typhooncon
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