Shulou(Shulou.com)05/31 Report--

This article introduces you to Apple for Mac released Intel processor vulnerability mitigation measures example analysis, the content is very detailed, interested friends can refer to reference, I hope to help you.

Apple introduced security updates to Safari last year to fix a series of speculative execution vulnerabilities based on ARM prices and Intel processors.

Apple didn't publish results of its tests on processor performance degradation at the time, but it was known that installing mitigations would cause processor performance degradation.

For Apple, there is no need to continue to cover up the newly discovered zombie load or micro-collection vulnerability. After all, this time the performance degradation is more serious.

Apple official test performance reduced by up to 40%:

Apple has released a new security update to macOS Mojave 10.14.5 to fix the latest security vulnerabilities found in Intel processors.

Even if Safari does not have an impact on performance after installing these new security updates, Apple also stressed that some products must enable mitigation measures.

Otherwise, malicious software may exploit speculative execution series vulnerabilities to steal sensitive information, and the comprehensive mitigation is to completely disable Intel Hyperthreading Technology.

According to Apple tests, performance was reduced by up to 40% in multithreaded workloads and common benchmarks, although the impact varied depending on the device.

The user also needs to manually execute commands to enable mitigations:

Users need to execute commands to enable mitigation after installing security updates from Apple, which requires starting Mac in macOS Recovery.

Open your Mac and immediately press Command+R, click Utilities in the menu bar and select Terminal and execute the command.

The following commands are two lines in length and press Return after completion. Restart your Mac after both lines are completed to enable mitigation.

The example analysis of Apple's release of Intel processor vulnerability mitigation measures for Mac is shared here. I hope the above content can be helpful to everyone and learn more. If you think the article is good, you can share it so that more people can see it.

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