When Apple released iOS & iPadOS 15.2 on Monday, it closed a large number of security holes that could have been used for jailbreaking, including a handful that were used by the Pangu Team to remotely pwn an iPhone 13 Pro on the first day of TianfuCup 2021.
One of Kunlun Lab’s kernel exploits was patched in iOS 15.2, and a write-up could be coming soon