Groups > linux.debian.user > #198684

Spectre variants 3a and 4 on Debian 8

From	John Naggets <hostingnuggets@gmail.com>
Newsgroups	linux.debian.user
Subject	Spectre variants 3a and 4 on Debian 8
Date	2018-08-13 09:10 +0200
Message-ID	<wmf9g-3jT-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hello,

I would like to protect my SuperMicro SYS-5018R-MR server from the
newest Spectre variants 3a and 4 and hence did the following:

- updated SuperMicro BIOS to v3.1 from 06/06/2018 which explicitly
addresses these 2 new variants based on their release notes
- updated to the latest Debian 8.11 with the kernel 3.16.57-2 (2018-07-14)
- added non-free/contrib repos and installed intel-microcode package
- rebooted server

Still after all that the spectre-meltdown-checker.sh script from
meltdown.ovh still reports that my server is vulnearble to variants 3a
and 4 and even to variant 3.

Is it possible that this is related to me using Debian 8 with a Kernel 3.16?

Another particularity from this server is that I am using Xen dom0
hypervisor (official Xen 4.4 packages from Debian 8 repo). So maybe
this is because of Xen?

Best regards,
John

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Spectre variants 3a and 4 on Debian 8 John Naggets <hostingnuggets@gmail.com> - 2018-08-13 09:10 +0200
  Re: Spectre variants 3a and 4 on Debian 8 Matthew Crews <mailinglists@mattcrews.com> - 2018-08-13 15:00 +0200

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