From Kim Zetter at the New York Times:

https://twitter.com/KimZetter/status/1194374230109868032

When Intel released patch for CPU vulns last May, it said the patch fixed all 
the vulns. But researchers at @vu5ec
say this isn't true and Intel knew it. Intel asked them not to disclose this 
and to alter conf. paper about the vulns.

“We think it’s time to simply tell the world that even now Intel hasn’t fixed 
the problem,” Herbert Bos (@herbertbos
) says. “There are tons of vulnerabilities still left, we are sure. And they 
don’t intend to do proper security engineering until their reputation is at 
stake.”

https://www.nytimes.com/2019/11/12/technology/intel-chip-fix.html

https://mdsattacks.com/

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Its worth noting that the lion's share of these vulns are vendor-specific to Intel. I have long held the position that Spectre+Meltdown showed AMD x86 to be "substantially" better engineered with respect to security; I now believe that assessment to be an understatement.

Competition between Intel and AMD is very asymmetrical, as the former amounts to a monopoly and the latter is the only one that feels acute competitive pressure (and hence, AMD has felt a greater need to engineer responsibly). OTOH, Intel has maintained their position with lazy engineering shortcuts, rigged benchmarks, and anti-competitive threats lodged against PC makers. For their threats, the company even announced it will refuse to pay a hefty EU judgment against them. That is the "merit" in how they maintain dominance.

Even though I greatly favor the development and promotion of open source hardware (including CPUs), there are no open alternatives for Qubes users in the short-mid term. So recognizing that open source is not a singular guiding principle – that competition is vitally important for the availability of desirable and safe products – I think it would be best if the Qubes project and community recognized the situation and made a modest effort to certify AMD hardware as a safer alternative to Intel.

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Chris Laprise, [email protected]
https://github.com/tasket
https://twitter.com/ttaskett
PGP: BEE2 20C5 356E 764A 73EB  4AB3 1DC4 D106 F07F 1886

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