How to Handle Meltdown and Spectre on Linux Ubuntu

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Meltdown and Spectre are the latest and most widespread vulnerabilities to rear their ugly heads. They hit nearly every computer in the world, and that’s not an exaggeration. But what are they exactly? Both are core flaws in the way most processors are designed. Meltdown mainly impacts Intel CPUs and some ARM (cellphone) processors. Spectre, on the other hand, affects nearly every processor. To make matters worse, there are two different variations of Spectre that play on different CPU behaviors. Both Meltdown and Spectre use the intended behavior of modern CPUs to gain access to information stored in the computer’s memory.

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