Variant 4 of the Spectre/Meltdown Vulnerabilities Discovered
When the Spectre and Meltdown vulnerabilities were first discovered, some likely guessed it was only the beginning as more researchers would start investigating out-of-order/speculative execution methods to find more still vulnerabilities. Now we know one more has been found, the Speculative Store Buffer Bypass CVE, and it could be used to gain access to information stored on a processor's local cache.
Out-of-order or speculative execution is a performance improving optimization mo…
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