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A comment on New x86 micro-op vulnerability breaks all known Spectre defenses. Parent comment

Re:New x86 micro-op vulnerability breaks all known Spectre d... by tolbish on Friday April 30, 2021 @10:21PM (#27002346)
Wouldn't the OS code doing the privilege checking be susceptible to vulnerabilities?
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Re:New x86 micro-op vulnerability breaks all known Spectre d... by mikewarot on Friday April 30, 2021 @11:10PM (#27002668)
Yes, but it wouldn't include code that exploits those vulnerabilities, by design, and it wouldn't trust any other code, so in effect, it would shield the system from it.
[ Parent | on HN ]