Security News > 2018 > June > OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks
2018-06-20 10:03

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading (SMT) that allows the operating system to use a virtual core for each physical core present in processors


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Related vendor

VENDOR LAST 12M #/PRODUCTS LOW MEDIUM HIGH CRITICAL TOTAL VULNS
Intel 6832 278 785 431 28 1522
Openbsd 5 11 94 51 11 167