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Old 03-08-2020, 05:34 PM   #1
cwizardone
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New AMD Side Channel Attacks


Quote:
New AMD Side Channel Attacks Discovered, Impacts Zen Architecture (AMD Responds)

By Paul Alcorn 7 hours ago

AMD processors from 2011 to 2019 impacted
The full story is here, https://www.tomshardware.com/uk/news...n-architecture
 
Old 03-11-2020, 03:09 PM   #2
vtel57
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Hmm... I'm not sure, but it seems my old AMD Phenom II 1090T Black may not be affected by this.
 
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Old 03-11-2020, 03:15 PM   #3
volkerdi
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Quote:
Originally Posted by vtel57 View Post
Hmm... I'm not sure, but it seems my old AMD Phenom II 1090T Black may not be affected by this.
Great chip. Still doing most of the heavy lifting here.
 
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Old 03-11-2020, 03:59 PM   #4
vtel57
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It is indeed a fabulous AMD cpu. I built this "Frankenputer" from parts from the dead computer graveyard out in my shop a few years back. It's been truckin' along ever since without a blip.
 
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Old 03-11-2020, 04:35 PM   #5
Skaendo
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I am happy to be among the Thuban users here. AMD Phenom II X6 1100T BE here.

Kind of funny how Intel is one of their "funders". Meanwhile, more Intel side channel vulns have been found.
 
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Old 03-11-2020, 05:13 PM   #6
ChuangTzu
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Quote:
Originally Posted by Skaendo View Post
I am happy to be among the Thuban users here. AMD Phenom II X6 1100T BE here.

Kind of funny how Intel is one of their "funders". Meanwhile, more Intel side channel vulns have been found.
Yup, pure hit piece. AMD should sue them.

Meanwhile: A major new Intel processor flaw could defeat encryption and DRM protections
https://www.theverge.com/2020/3/6/21...-vulnerability
 
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Old 03-11-2020, 05:27 PM   #7
Skaendo
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Originally Posted by ChuangTzu View Post
Yup, pure hit piece. AMD should sue them.

Meanwhile: A major new Intel processor flaw could defeat encryption and DRM protections
https://www.theverge.com/2020/3/6/21...-vulnerability
I'm going to go ahead and take that article at face value, but "The Verge" has very little credibility with me after this: https://www.youtube.com/watch?v=0vmQOO4WLI4
 
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Old 03-11-2020, 05:30 PM   #8
ChuangTzu
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Quote:
Originally Posted by Skaendo View Post
I'm going to go ahead and take that article at face value, but "The Verge" has very little credibility with me after this: https://www.youtube.com/watch?v=0vmQOO4WLI4
Valid point, peruse these:

https://news.google.com/stories/CAAq...=US&ceid=US:en
 
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Old 03-11-2020, 08:27 PM   #9
gus3
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A vuln is a vuln, no matter who discovers it, no matter who else confirms it. If Microsoft finds a flaw in a TI chip, and a company in Lesotho confirms it, does that mean M$ and Lesotho want to crush Texas Instruments?
 
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Old 03-11-2020, 10:06 PM   #10
Skaendo
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Originally Posted by gus3 View Post
A vuln is a vuln, no matter who discovers it, no matter who else confirms it. If Microsoft finds a flaw in a TI chip, and a company in Lesotho confirms it, does that mean M$ and Lesotho want to crush Texas Instruments?
True, it's just optics, bad optics, but just optics none the less. It would look a lot nicer if AMD also provided funding.
 
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Old 03-12-2020, 03:16 PM   #11
ChuangTzu
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Quote:
Originally Posted by gus3 View Post
A vuln is a vuln, no matter who discovers it, no matter who else confirms it. If Microsoft finds a flaw in a TI chip, and a company in Lesotho confirms it, does that mean M$ and Lesotho want to crush Texas Instruments?
Actually it may. Welcome to the world of Industrial Espionage

https://en.wikipedia.org/wiki/Industrial_espionage
https://www.bloomberg.com/news/photo...rate-espionage
 
Old 03-13-2020, 02:07 AM   #12
Skaendo
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Originally Posted by ChuangTzu View Post
Actually it may. Welcome to the world of Industrial Espionage
Except in this case (both AMD and Intel), you pretty much need physical access to the machine in order to use the vulns. And if they have physical access, you're already screwed.
 
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Old 03-13-2020, 04:48 AM   #13
teoberi
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Good point!
 
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Old 03-25-2020, 11:03 AM   #14
Skaendo
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Some more interesting news on the AMD front,

https://torrentfreak.com/amd-uses-dm...e-leak-200325/
 
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