Apple has released iOS 17.0.2 for the new iPhone 15, iPhone 15 Plus, iPhone 15 Pro, and iPhone 15 Pro Max.
This update provides important bug fixes and security updates, and fixes an issue that may prevent transferring data directly from another iPhone during set-up.
For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222