CloudLinux 7 and CloudLinux 6 Hybrid kernel version 3.10.0-962.3.2.lve1.5.25.8 with a fix for MDS vulnerability is now available for download from our updates-testing repository.


  • CLKRN-457: fix KABI breakage;
  • CLKRN-458: x86 MDS mitigations:
    • CVE-2018-12126 MSBDS Microarchitectural Store Buffer Data Sampling;
    • CVE-2018-12130 MFBDS Microarchitectural Fill Buffer Data Sampling;
    • CVE-2018-12127 MLPDS Microarchitectural Load Port Data Sampling;
    • CVE-2019-11091 MDSUM Microarchitectural Data Sampling Uncacheable Memory.

To update a kernel, please use the following command.

CloudLinux 7:

yum upgrade microcode_ctl && yum install kernel-3.10.0-962.3.2.lve1.5.25.8.el7 --enablerepo=cloudlinux-updates-testing

CloudLinux 6 Hybrid:

yum upgrade microcode_ctl && yum install kernel-3.10.0-962.3.2.lve1.5.25.8.el6h --enablerepo=cloudlinux-hybrid-testing