[Enhancement Advisory] RHEA-2018:2675 microcode_ctl enhancement update

The following Red Hat Enhancement Advisory has been published which may affect packages you have installed on your system.

 RHEA-2018:2675 microcode_ctl enhancement update

 Summary:


 Updated microcode_ctl packages that add one enhancement are now available for Red Hat Enterprise Linux 6.

 The microcode_ctl packages provide microcode updates for Intel and AMD processors.

 This update adds the following enhancement:

 * The Intel CPU microcode has been updated to the latest upstream version to mitigate CVE-2017-5715, known as the Spectre variant 2 vulnerability, CVE-2018-3639, known as the Speculative Store Bypass vulnerability, and CVE-2018-3620 and CVE-2018-3646, known as L1 Terminal Fault Attack vulnerability. (BZ#1614427)

 Users of microcode_ctl are advised to upgrade to these updated packages, which add this enhancement. Note: a microcode_ctl service restart is necessary for this update to take effect.

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