About v4bel - Inflearn

리눅스 커널 해커 및 컨트리뷰터로 활동 중인 김현우(V4bel)입니다.

⦁ Contact: imv4bel@gmail.com

Work Experience

⦁ Theori (2022.11 ~ 2025.07)

Awards

⦁ Pwnie Awards 2025 Best Privilege Escalation category WIN (CVE-2024-50264)
⦁ Pwn2Own Berlin 2025 Red Hat Linux in the LPE category WIN (Theori, $15,000)
⦁ Google kernelCTF LTS-6.6.75/COS-105 1-day WIN (CVE-2025-21756, $71,337)
⦁ Google kernelCTF LTS-6.6.56/COS-109 0-day WIN (CVE-2024-50264, $81,337)
⦁ Google kernelCTF LTS-6.6.35 0-day WIN (CVE-2024-41010, $51,337)

Vulnerability Reports

⦁ CVE-2025-38087 (Linux Kernel Traffic Control TAPRIO Use-After-Free)
⦁ CVE-2024-50264 (Linux Kernel Virtual Socket Use-After-Free)
⦁ CVE-2024-27394 (Linux Kernel TCP Use-After-Free)
⦁ CVE-2024-27395 (Linux Kernel OpenvSwitch Use-After-Free)
⦁ CVE-2024-27396 (Linux Kernel GTP Use-After-Free)
⦁ CVE-2023-51779 (Linux Kernel Bluetooth Socket Use-After-Free)
⦁  CVE-2023-51780 (Linux Kernel ATM Socket Use-After-Free)
⦁  CVE-2023-51781 (Linux Kernel Appletalk Socket Use-After-Free)
⦁  CVE-2023-51782 (Linux Kernel Rose Socket Use-After-Free)
⦁  CVE-2023-32269 (Linux Kernel NET/ROM Socket Use-After-Free)
⦁ CVE-2022-41218 (Linux Kernel DVB Core Use-After-Free)
⦁  CVE-2022-45884 (Linux Kernel DVB Core Use-After-Free)
⦁  CVE-2022-45885 (Linux Kernel DVB Core Use-After-Free)
⦁  CVE-2022-45886 (Linux Kernel DVB Core Use-After-Free)
⦁  CVE-2022-45919 (Linux Kernel DVB Core Use-After-Free)
⦁  CVE-2022-40307 (Linux Kernel Device Driver Use-After-Free)
⦁ CVE-2022-41848 (Linux Kernel Device Driver Use-After-Free)
⦁ CVE-2022-41849 (Linux Kernel Device Driver Use-After-Free)
⦁ CVE-2022-41850 (Linux Kernel Device Driver Use-After-Free)
⦁  CVE-2022-44032 (Linux Kernel Device Driver Use-After-Free)
⦁  CVE-2022-44033 (Linux Kernel Device Driver Use-After-Free)
⦁  CVE-2022-44034 (Linux Kernel Device Driver Use-After-Free)
⦁  CVE-2022-45888 (Linux Kernel Device Driver Use-After-Free)

Linux Kernel Contributions

Courses

Reviews

janinh935621
·
Linux Kernel Hacking: A to Z
Linux Kernel Hacking: A to Z
This is exactly the lecture I was looking for. It's really good.
jyseo
·
Linux Kernel Hacking: A to Z
Linux Kernel Hacking: A to Z
👍👍👍👍👍
heoci
·
Linux Kernel Hacking: A to Z
Linux Kernel Hacking: A to Z
Thanks for good training.
aceoftop1975
·
Linux Kernel Hacking: A to Z
Linux Kernel Hacking: A to Z
2024/09/14/Sat 12:40 I listened to the lecture well. I learned about Linux, and thank you for the detailed explanation of hacking. I learned a lot while listening to the lecture. Thank you for the good lecture.
boxmfzmfnwj2916
·
Linux Kernel Hacking: A to Z
Linux Kernel Hacking: A to Z
I have come to understand the concept of the kernel and the attack code required for kernel hacking~

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