{"author_url":"https://blog.hatena.ne.jp/ptr-yudai/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fptr-yudai.hatenablog.com%2Fentry%2F2026%2F03%2F16%2F174349\" title=\"DiceCTF 2026 Quals - cornelslop: Turning an RCU Double Free into a Cross-Cache Kernel Exploit - CTF\u3059\u308b\u305e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","width":"100%","blog_title":"CTF\u3059\u308b\u305e","height":"190","author_name":"ptr-yudai","url":"https://ptr-yudai.hatenablog.com/entry/2026/03/16/174349","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/ptr-yudai/20260316/20260316174056.png","blog_url":"https://ptr-yudai.hatenablog.com/","version":"1.0","title":"DiceCTF 2026 Quals - cornelslop: Turning an RCU Double Free into a Cross-Cache Kernel Exploit","categories":["CTF","Writeup"],"description":"This year, I played in the DiceCTF qualifiers with BunkyoWesterns, and we managed to place first. We finished 1st place at DiceCTF 2026 Quals!Looking forward to seeing everyone (and hopefully a big steak) in New York. \ud83d\uddfd\ud83e\udd69 pic.twitter.com/NURygMK9ib\u2014 BunkyoWesterns (@BunkyoWesterns) March 8, 2026 Amon\u2026","published":"2026-03-16 17:43:49"}