[FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-19:07.mds

[Peter Jeremy]

On 2019-May-15 00:03:02 +0000, FreeBSD Security Advisories <security-advisories at freebsd.org> wrote:
>Systems with users or processors in different trust domains should disable
>Hyper-Threading by setting the machdep.hyperthreading_allowed tunable to 0:
>
># echo 'machdep.hyperthreading_allowed=0 >> /boot/loader.conf'
># shutdown

For maximum security, "shutdown -P now" would be better than a bare "shutdown".
I suspect "shutdown -r now" was intended here.

-- 
Peter Jeremy
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