While many of the world’s OS makers have already delivered updates to solve or mitigate the huge processor vulnerabilities this week, Apple has taken a different stance.
According to a new support document, Apple already patched against the Meltdown vulnerability in December 2017. The company addressed this issue first, stating that Our analysis suggests that it has the most potential to be exploited. The fixed OS versions are: iOS 11.2, macOS 10.13.2, and tvOS 11.2. Additionally, Apple said that it was able to patch the system without any noticeable processor performance hit: resulted in no measurable reduction in the performance of macOS and iOS.
As to the Spectre vulnerability, the company is still working on a fix and has promised it will deliver in the next revisions of its OS updates – though a particular date has not been given. According the Apple, the Spectre vulnerability is extremely difficult to exploit, so an immediate fix is not necessary.
Full support doc: About speculative execution vulnerabilities in ARM-based and Intel CPUs
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