CTF challenges & writeups

37 challenges in family ⊕ pwn:kernel ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
doMonkeysSwim #static-rop #stack-buffer-overflow #stack-pivot #syscall	RITSEC 2026	–	Pwn	files wu 1
Junkiness #mass-assignment #privilege-escalation	TRX 2026	–	Web	files wu 1
faulty_road #kernel #reversing	TRX 2026	–	Reverse	files wu 1
krwd #kernel-exploitation	TRX 2026	–	Pwn	files wu 1
Ducks_Ping_Pong #windows-driver-reversing #ioctl #veh	V1T 2026	22.14	Reverse	files wu 1
oboe #kernel #heap-overflow #off-by-one #use-after-free (uaf)#rop #commit-creds #kpti-bypass	DiceCTF 2025 Quals	81.00	Pwn	files wu 1
Puzzle #idor #privilege-escalation #info-disclosure	Securinets CTF 2025 Quals	–	Web	files wu 1
Baby_Kernel #kernel-exploitation #use-after-free (uaf)#jop	UIUCTF 2025	–	Pwn	files wu 2
hangbuzz101 #kernel-dos #net-scheduler #qdisc	corCTF 2025	82.00	Pwn	files wu 1
zenerational_aura #retbleed #kernel-exploit #speculative-execution	corCTF 2025	82.00	Pwn	files wu 1
Flag_Shop #format-string #privilege-escalation	SunshineCTF 2024	38.57	Pwn	files wu 1
crabheartpenguin #rust-kernel-driver #reverse-engineering	corCTF 2023	36.97	Reverse	files wu 1
welkerme #kernel-exploit #arbitrary-function-call #ret2usr	CakeCTF 2022	–	Pwn	files wu 1
Bloat #kernel-exploitation	UTCTF 2022	–	Pwn	files wu 1
krce #kernel-exploitation #negative-index #out-of-bounds (oob)	zer0pts 2022	35.97	Pwn	files wu 1
krypto #kernel-exploit #toctou-race #arbitrary-write #modprobe-path-overwrite #infoleak	CSAW 2021 Quals	20.54	Pwn	files wu 1
hashbrown #kernel #race-condition #use-after-free (uaf)#fg-kaslr-bypass	DiceCTF 2021	24.82	Pwn	files wu 1
lkgit #kernel-race-condition #userfaultfd	TSG 2021	–	Pwn	files wu 2
Wall_of_Perdition #kernel-exploit #msg-msg #cred-overwrite	corCTF 2021	24.92	Pwn	files wu 1
syscall_777 #reversing #custom-syscall #xor	zer0pts 2021	24.56	Reverse	files wu 1
forgotten_module #kexec #kernel-boot	CONFidence 2020 Quals	24.96	Misc	files wu 1
saas #syscall-blacklist-bypass	NahamCon 2020	23.72	Misc	files wu 3
no_write #syscall-filter #strncmp-oracle #stack-pivot	RCTF 2020	–	Misc	files wu 1
kernel-rop #fg-kaslr-bypass	hxp 2020	94.00	Pwn	files wu 1
babyk #kernel-ret2usr	m0leCon 2020 Quals	24.55	Misc	files wu 1
meowmow #kernel-exploitation #out-of-bounds (oob)#heap-overflow	zer0pts 2020	24.56	Misc	files wu 1
syscall_kit #syscall #mprotect #shellcode	zer0pts 2020	24.56	Misc	files wu 1
ABJudge #shellcode #32bit-syscall-bypass #seccomp-bypass	De1CTF 2019	24.28	Misc	files wu 2
Race #kernel #race-condition #use-after-free (uaf)#slab-leak	De1CTF 2019	24.28	Misc	files wu 1
breathofshadow #windows-kernel	HITCON 2019 Quals	92.94	Misc	files wu 1
Secure_Storage_Driver #windows-kernel-oob #token-stealing	CCCamp 2023	25.00	Pwn	files wu 1
Mediocrity #custom-vm #arbitrary-syscall	Codegate 2023 Quals	–	Pwn	files wu 1
kSMS_Secure_Message_Storage #kernel-exploitation #use-after-free (uaf)	TeamItaly 2023	24.88	Pwn	files wu 1
Secure_Storage #linux-kernel-exploitation #kernel-module-lpe #side-channel-leak	0CTF 2021 Quals	–	Pwn	files wu 1
klibrary #linux-kernel-exploitation #userfaultfd #heap	3kCTF 2021	24.14	Pwn	files wu 1
Jimi_Jamming #rop #execve-syscall	Block 2020	35.14	Misc	files wu 2
KrazyNote #linux-kernel-exploitation	Balsn 2019	25.00	Misc	files wu 2

Challenges