According to firstnameatappledotcom, iOS 11.2.5 is ready and might be released as soon as Tuesday, January 23, 2018.
The update also includes the fix to address the crash caused by specially crafted malicious text that can cause iOS device to freeze.
A few days ahead the official iPhone X launch date, Apple releases iOS 11.1, watchOS 4.1, tvOS 11.1 and macOS High Sierra 10.13.1.
These updates includes fix for Key Reinstallation Attacks – KRACK vulnerability.
As we have reported on October 23, 2017 iOS 11.1 build 15B93 was indeed the Golden Master. In addition to that, iOS 11.1 for iPhone X carries a different build number.
Apple will start taking pre-orders for iPhone X this Friday, October 27, 2017. iPhone X will be available on November 3, 2017.
According to firstnameatappledotcom, iPhone X will ship with iOS 11.1 (or later). Apple has also seeded iOS 11.1 GM candidates (15B92 and 15B93), publicly labeled as iOS 11.1 beta 4 and beta 5, to Developers and Public Beta testers.