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All computers are flawed: report

CNN Online
All the world's computers are flawed, and companies are fumbling with fixes. It will take years until the issue is fully sorted out.
In the three weeks since researchers revealed major flaws in virtually every computer processor, issuing patches has not gone smoothly.
"It's been a bit of a disaster," said Ellison Anne Williams, founder and CEO of security firm Enveil. "The problem happens in the memory of the computer. Anytime you start messing with memory, things can go wrong very quickly. Some of the patches coming out do unexpected things. It takes a long time to see how things are going."
A bungled rollout for fixes is not surprising. The issue is so massive, and the vulnerabilities so embedded into the building blocks of computers, experts say the difficulties will continue.
Meltdown and Spectre are flaws in processors, the brains of computers and smartphones. Modern processors are designed to perform something called "speculative execution," or predicting what tasks they will be asked to do. That data is supposed to be protected and isolated, but researchers discovered that in some cases, the information can be exposed while the processor queues it up.
These flaws go back decades. Some companies have already issued fixes for these problems — for example, Microsoft (MSFT), Apple (AAPL), and Google (GOOG) products received updates quickly.
Microsoft reportedly faced early problems with its patches creating issues for anti-virus products, and
earlier this month, the company said updates will likely slow down computers. Apple said its mitigations don't have measurable performance impact.
In order to ensure devices are fully protected, hardware makers must put out microcode updates to tell chips to behave differently. Software companies must also update their products to protect against exploitation.
Paul Kocher is one of the researchers who discovered Spectre. He's a veteran of chip vulnerability discoveries - in 1998, he found another hardware issue called differential analysis. He said that despite the last two decades between the chip flaws, the industry still doesn't have a solid grasp on how to fix these types of issues.
Hardware flaws don't fit into the traditional patching model - unlike software flaws where a vendor issues an update and users can download it quickly, chip flaws require a different strategy.
Since early January, issues have piled up.