Content about kernel

• Jun 26, 2026•11 min read•

  syscallskernel

  Mastering Syscall-Level Reversing pt2; The Art of Unhooking & Direct Syscalls

  The hook is the problem

• May 10, 2026•9 min read•

  tryhackmecve-2026-31431

  Copy Fail: CVE-2026-31431 (TryHackMe)

  Exploit copy-fail, a kernel LPE that corrupts any file's page cache to gain root in seconds.

• Feb 24, 2026•4 min read•

  osdevkernel

  Building My First Multiboot Toy Kernel (x86, C + Assembly)

  How I built a 32-bit freestanding toy kernel that boots through GRUB, enters C cleanly, and now handles CPU exceptions through GDT+IDT setup.

• CVE-2026-31431 – Copy Fail (Kernel LPE)

  CVE

  Exploit copy-fail, a kernel LPE that corrupts any file's page cache to gain root in seconds.

  CVSS: 7.85/10/2026