A (Work-In-Progress) writeup for studying Cross-Cache attacks in the Linux kernel SLUB allocator.

Reference Material

SLUB

• https://events.static.linuxfound.org/images/stories/pdf/klf2012_kim.pdf
• https://ruffell.nz/programming/writeups/2019/02/15/looking-at-kmalloc-and-the-slub-memory-allocator.html
• https://blogs.oracle.com/linux/linux-slub-allocator-internals-and-debugging-1
• https://sam4k.com/linternals-memory-allocators-0x02/

BUDDY

• https://syst3mfailure.io/linux-page-allocator/
• https://www.geeksforgeeks.org/operating-systems/buddy-system-memory-allocation-technique/

CROSS-CACHE

• https://u1f383.github.io/linux/2025/01/03/cross-cache-attack-cheatsheet.html
• https://www.usenix.org/system/files/sec23summer_79-lee-prepub.pdf
• https://dl.acm.org/doi/10.1145/3719027.3765152
• https://kaligulaarmblessed.github.io/post/cross-cache-for-lazy-people/
• https://i.blackhat.com/Asia-24/Presentations/Asia-24-Wu-Game-of-Cross-Cache.pdf

Tested against: Linux Kernel v6.12.

Source files: GitHub.

TODO … Add writeup