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Intel bug incoming? Meltdown and Spectre exploits

AndreiD said:
@pete910 but that's not dumping stock, 10b5-1 plans have predetermined dates when a predetermined number of shares are sold in order for insiders (like CEOs) of publicly traded companies to avoid insider trading related issues. That sale was going to happen regardless of any variation in Intel's stock value, most CEOs do 10b5-1s.
That fool.com article is pure fud and they should know better if they're a finance outlet.
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The predetermined sales you talk of would just leave Krzanich's position unchanged at 495,743 shares; that's not the issue. He's gone beyond this and sold the maximum amount of stock he's allowed to get away with (by law he must hold at least 250,000 shares) - and that isn't typical behaviour of CEOs confident in their operation's outlook. It's a bit of a stretch to accuse the article of pure FUD.
 
The day is not over, I can see their stock loss probably hitting 5% depending on how fast other media outlets spin it

MEANWHILE AT INTEL HQ:

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So what is the deal with this ? Will I be told to download a Patch/Bios update on my Intel PCs and in doing so lose some potential performance? And not installing this patch will mean I just carry on as usual and pray its not exploited?

Is it a windows update? I ain't too clued up on this stuff :D
 
pete910 said:
there is a blackhat event in 2016 that touched on part of this flaw, I'll dig to see if I can find it. was rather in depth iirc
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I think you mean reference 6 "Gruss, D., Maurice, C., Fogh, A., Lipp, M., Mangard, S.: Prefetch Side-Channel Attacks: Bypassing SMAP and Kernel ASLR. In: CCS’16 (2016)" that the KAISER research paper cites. The KAISER paper itself is an interesting read - what I want to know if whether KAISER is actually a more feasible solution than KPTI, but haven't yet delved in deep enough.

Edit: just to answer myself - KPTI is derived from KAISER. What prompted my question is that the KAISER paper claims "the performance impact of KAISER is only 0.28%" but in practice there can be a rather larger performance penalty for some apps/benchmarks.
 
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Hedge said:
Intel are probably manufacturing next gen Coffeelake right now too, is that gonna mean the product is dead in the water vs Ryzen 2?
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Sure it'll have some impact, but in the grand scheme of things such errors (though usually low profile) are a matter of course for any non-trivial technical undertaking. I certainly wouldn't bet against Intel being able to sort things out.
 
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