Will Apple Support 2012 Mac Pro For The Meltdown Bug

Released alongside, which itself includes patches for Meltdown and Spectre, Apple's for Sierra and El Capitan incorporate a number of kernel security improvements aimed at nullifying threats posed by the chip flaws. Apple points to Meltdown by name in an accompanying support document, saying the fix addresses a vulnerabilities that allow an attacker to gain unauthorized access to information on computers with microprocessors utilizing speculative execution. Other patches mitigate risks associated with read restricted memory, kernel privileges and memory corruption. Prior to today, Apple issued a for macOS 10.13.2, but failed to release a similar patch for older operating systems. Both Meltdown and Spectre take advantage of speculative execution, a performance feature built in to nearly every modern microprocessor.

Apple has confirmed that all of its Macs, iPhones and iPads are affected by the recently revealed Meltdown and Spectre vulnerabilities.The company points out that while a huge number of devices.

Chips like those made by Intel and AMD, as well as Apple's A-series SoCs, attempt to predict instruction streams in order to facilitate faster process execution. If a predicted path is not needed, the instruction set is canceled and the associated memory cache is discarded in a process intended to be invisible to a user program.

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However, researchers discovered a method of accessing targeted areas of a memory cache, opening the door to sensitive information like user passwords. More information about Meltdown and Spectre can be found.

Mac users are urged to download the security update, or the latest version of macOS, through the Mac App Store. I installed this software update on my Early 2008 Mac Pro running the latest El Capitan with everything working fine prior to installing the update. No problems or error messages were encountered in installing the update. However, upon rebooting I was taken to the login screen, entered my password, and the spinning wheel kept spinning. After 20 minutes I shut down the computer, used recovery mode to reinstall the OS, and tried to boot again. Once again I got the spinning wheel and could not get past the login.

Fortunately I had a day old clone and I was able to boot my Mac Pro with this clone with no problems. I then used Super Duper to copy the clone's OS back to my Macintosh HD, and I could then boot the Mac Pro without problems. I repeated all of this twice.

Each time I tried to boot after installing the security update, I could not get past the spinning circle after putting in my password. I have now used my clone to restore my Macintosh HD and I am booting and using the Mac Pro without any problems. I do not plan to install this update, and I believe that I have clearly shown that the update is flawed for my Early 2008 Mac Pro. I submitted all of this feedback to Apple.

I installed this software update on my Early 2008 Mac Pro running the latest El Capitan with everything working fine prior to installing the update. No problems or error messages were encountered in installing the update. However, upon rebooting I was taken to the login screen, entered my password, and the spinning wheel kept spinning. After 20 minutes I shut down the computer, used recovery mode to reinstall the OS, and tried to boot again. How to add data table to chart in powerpoint. Once again I got the spinning wheel and could not get past the login. Fortunately I had a day old clone and I was able to boot my Mac Pro with this clone with no problems. I then used Super Duper to copy the clone's OS back to my Macintosh HD, and I could then boot the Mac Pro without problems.