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takyon [soylentnews.org] writes:

What does "immunity" to the "Meltdown" bug [theverge.com] mean, and at what cost does it come?

Intel says it has developed and is issuing updates for all types of Intel-based machines that will "render those systems immune from both exploits (referred to as 'Spectre' and 'Meltdown') reported by Google Project Zero. "Intel has already issued updates for the majority of processor products introduced within the past five years," says an Intel spokesperson. "By the end of next week, Intel expects to have issued updates for more than 90 percent of processor products introduced within the past five years."

Intel's reference to "immune" is an interesting twist in this saga. The New York Times reported yesterday [nytimes.com] that Spectre fixes will be a lot more complicated as they require a redesign of the processor and hardware changes, and that we could be living with the threat of a Spectre attack for years to come. Intel's wording appears to suggest that this isn't the case for its own processors and security fixes.

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