Synopsis

microcode_ctl enhancement update

Type/Severity

Product Enhancement Advisory

Topic

Updated microcode_ctl packages that add one enhancement are now available for Red Hat Enterprise Linux 5.9 Long Life.

Description

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, which also provides new capabilities used by the Linux kernel to mitigate CVE-2018-3639, known as the Speculative Store Bypass vulnerability. (BZ#1573443)
  

Users of microcode_ctl are advised to upgrade to these updated packages, which add this enhancement.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Note: a system reboot is necessary for this update to take effect.

Affected Products

• Red Hat Enterprise Linux Server - AUS 5.9 x86_64
• Red Hat Enterprise Linux Server - AUS 5.9 i386

Fixes

(none)

CVEs

(none)

References

• https://access.redhat.com/security/vulnerabilities/ssbd

Red Hat Enterprise Linux Server - AUS 5.9

SRPM
microcode_ctl-1.17-3.6.el5_9.src.rpm	SHA-256: bb02bcbcbe301201d6d37bc140f598a0c649f0339ecd8360f05cf3dd8c206ecc
x86_64
microcode_ctl-1.17-3.6.el5_9.x86_64.rpm	SHA-256: 94b0ae83ad2d345dff1403fbbee65b30fa976436d61232cff8b07061f0fc5d83
microcode_ctl-debuginfo-1.17-3.6.el5_9.x86_64.rpm	SHA-256: c14ebb538e54cc1aa555ff8dea56b23fbac1862fe1e6bdf4ae886aeea1f7b8ec
i386
microcode_ctl-1.17-3.6.el5_9.i386.rpm	SHA-256: 9ac6ba470510fa138a5bab36a5d2193e7c8a18f79ef0f91df59ab2c0d3a0ee05
microcode_ctl-debuginfo-1.17-3.6.el5_9.i386.rpm	SHA-256: 664e6247ade2335495137c44e5b7868b801a2752074e990f069e452bb46120db