OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

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 tha...

Mandrake Linux Security Advisory : kernel (MDKSA-2005:110)

Multiple vulnerabilities in the Linux kernel have been discovered and fixed in this update. The following CVE names have been fixed in the LE2005 kernel : Colin Percival discovered a vulnerability in Intel's Hyper-Threading technology could allow a local user to use a malicious thread to create...