Scientific Linux Security Update : microcode_ctl on SL6.x, SL7.x i386/x86_64 (20180116) (Spectre)

This update supersedes the previous microcode update provided with the CVE-2017-5715 Spectre CPU branch injection vulnerability mitigation. Further testing has uncovered problems with the microcode provided along with the Spectre mitigation that could lead to system instabilities. As a result, th...