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Re:MDS: Microarchitectural Data Sampling side-channel vulner... by compiler-guy on Tuesday May 14, 2019 @02:10PM (#19912146)
No. The security concern is attackers reading data they shouldn’t. The article explains how.

“Microarchitectural Data Sampling (MDS) is a group of vulnerabilities that allow an attacker to potentially read sensitive data.”

That is way more serious than stealing cycles.

Re:MDS: Microarchitectural Data Sampling side-channel vulner... by rightbyte on Tuesday May 14, 2019 @03:46PM (#19913182)
Ye, but I didn't understand how this was different than Spectre, except with different caches.

Still it's fine with no JS and no shared processor time, right?

Re:MDS: Microarchitectural Data Sampling side-channel vulner... by rurban on Tuesday May 14, 2019 @04:01PM (#19913321)
Right. If you run no foreign code you are safe.