Apple Addresses Meltdown and Spectre in macOS

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While macOS High Sierra received its Spectre and Meltdown patches last week, those holding onto older versions of Apple's desktop and notebook system will see updates come through today. macOS Sierra and El Capitan both get their fixes while some further tweaking of the High Sierra patches has also been released.

The security updates mainly focus on the Meltdown and Spectre vulnerabilities, which were fixed for High Sierra users a couple of weeks ago.

The release notes are below, and you can review the relevant security updates at Apple's support website, as well.

Apple says their new HomePod smart speaker will be available on 9 February 2018 with pre-orders opening this Saturday.

The technology giant on Tuesday released a fix for Meltdown, a flaw that can allow an attacker to read protected kernel memory, for the latest versions of macOS Sierra (10.12.6), and OS X El Capitan (10.11.6).

A total of 17 security issues are addressed by Apple in its latest set of patches for macOS and OS X. It includes the above fixes, but it also includes improvements for Audio, LinkPresentation, Security, and there's an additional Kernel fix. Siri can provide news for specific categories, including sports, business, and music, but Apple apparently hasn't tweaked Siri's artificial intelligence to avoid reading you stories that will make your stomach hurt. It's clear that watchOS 4.2.2 is important exclusively for the security fixes noted above.

You can download the update through the Mac App Store. Installing the update will restart your computer.

But Apple isn't alone in abandoning legacy software.

Headlining the security update is a patch for CVE-2017-5754, better known as Meltdown.