Originally posted by andyprough
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Intel CPUs Reportedly Vulnerable To New "SPOILER" Speculative Attack
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as long as my MIPS64 Sgi Octane is safe all is well: https://www.youtube.com/watch?v=AU_RV8uoTIo
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Originally posted by torsionbar28 View PostThen consider the very active state-sponsored cyber terrorism units in China, N Korea, Russia, and Iran.
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I'd really love to see benchmarks comparing the performance impact on various workloads between CPUs. You know, before and after shots for various AMD/Intel/ARM generations. I think it'd help people to see what comparative performance will be like on mitigated systems and give new insight on vendor differences. It's hard to keep up, though, as new speculative execution exploits are coming out every month. But as they pile on, maybe we'll see performance parity.
Originally posted by Intelsoftware can be protected against such issues by employing side channel safe software development practices. This includes avoiding control flows that are dependent on the data of interest.
Maybe just focus on not cutting corners instead? Or at least not charging a premium when you do...
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Originally posted by Spooktra View Postwhat I don't believe is that without them any harm in a real world setting can actually take place and I defy anyone to show me an example where any of these "exploits" caused any real world harm.Last edited by torsionbar28; 05 March 2019, 04:24 PM.
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Originally posted by Vistaus View PostAm I the only who doesn't notice any slowdowns with the mitigations enabled?Last edited by torsionbar28; 05 March 2019, 04:15 PM.
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Everyone is hating on Intel CPUs when in reality almost all modern CPUs are effected by these flaws in microarchitecture design.
Spectre (all variants but Meltdown and Spoiler): AMD, Intel, Arm
Meltdown: Intel, Arm
SPOILER: Intel (at least for now).
The only one that's Intel specific is SPOILER which is new and has a possibility of being found on others as well. The bugs are with modern micro-architecture design, not soley with Intel's designs, though they seem to be slightly more venerable than the rest. Intel is also the primarly used CPU in datacenters, so it is the one companies are paying to be researched the most for security flaws. AMD (and ARM) most likely have just as many flaws, but aren't as widely used so not as many have been found. In fact, most spectre vunerabilities were first found on Intel, and then tested for on other companies architectures. It's like how MacOS and Linux aren't any more immune to viruses than Windows, but Windows is more widely used and thus most research into security flaws for OSes is for Windows.
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Originally posted by deant View Post
Did you just call intel CPUs cheaps? I somehow cant agree if so.
"Cheap" is a relative distinction here. It's meant in the historical context, rather than the modern enthusiast's wallet.Last edited by stormcrow; 05 March 2019, 02:59 PM.
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Originally posted by cl333r View PostOK, I'm not a security nerd, so I'm only concerned with: What year will Intel ship a CPU that has all these metro/sectre/gay/spoiler/alert/whatever vulnerabilities fixed once and for all?
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Originally posted by pmorph View PostBelief based security model? That's a new one.
Although technically as long as they stay on Linux they are completely fine even if they run as root and install random crap from the internet.
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