Late last week, Apple confirmed that its iOS-based iPhones and iPads along with its Mac computers are vulnerable to the Meltdown and Spectre exploits (which we have covered in great detail over the past week). At the time, Apple confirmed that it silently introduced “mitigations” in previous updates to iOS, macOS and tvOS to help better defend
Source: Hot Hardware – Apple Releases iOS 11.2.2 And macOS 10.13.2 Security Updates To Counter Dangerous Spectre Exploit