$ ctf42

#kernel-exploit CTF challenges

4 CTF challenges using kernel-exploit from 3 CTFs (2021–2025), 4 with writeups.

Pwn · 4

Often combined with

#arbitrary-function-call 1 #ret2usr 1 #msg-msg 1 #cred-overwrite 1 #retbleed 1 #speculative-execution 1 #modprobe-path-overwrite 1 #arbitrary-write 1 #toctou-race 1 #infoleak 1

Challenges

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Challenge CTF Weight Category Has
zenerational_aura
#retbleed#kernel-exploit#speculative-execution
 corCTF 2025 82.00 Pwn files wu 1
krypto
#kernel-exploit#toctou-race#arbitrary-write#modprobe-path-overwrite#infoleak
 CSAW 2021 Quals 20.54 Pwn files wu 1
Wall_of_Perdition
#kernel-exploit#msg-msg#cred-overwrite
 corCTF 2021 24.92 Pwn files wu 1
welkerme
#kernel-exploit#arbitrary-function-call#ret2usr
 CakeCTF 2022 – Pwn files wu 1