Items tagged with smt

When it comes to impactful processor vulnerabilities, the two most well-known attacks announced the year are Spectre and Meltdown. The hardware and software industry scrambled to push out fixes to prevent these, and Microsoft is still working to minimize the performance impact of its mitigations. Today, however, we're learning of yet another side-channel vulnerability, which is being dubbed PortSmash. In layman's terms, a side-channel vulnerability uses complex methods to sniff out encrypted data within a CPU or system memory in an effort to gain escalated privileges and access "protected" data. PortSmash takes advantages of simultaneous multi-tasking (SMT) on the processor, allowing... Read more...