Date: Wed, 15 May 2019 18:31:26 +1000 From: Peter Jeremy <peter@rulingia.com> To: freebsd-hackers@freebsd.org Subject: Re: [FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-19:07.mds Message-ID: <20190515083126.GC65203@server.rulingia.com> In-Reply-To: <20190515000302.44CBB1AB79@freefall.freebsd.org> References: <20190515000302.44CBB1AB79@freefall.freebsd.org>
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--pf9I7BMVVzbSWLtt Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2019-May-15 00:03:02 +0000, FreeBSD Security Advisories <security-adviso= ries@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=3D0 >> /boot/loader.conf' ># shutdown For maximum security, "shutdown -P now" would be better than a bare "shutdo= wn". I suspect "shutdown -r now" was intended here. --=20 Peter Jeremy --pf9I7BMVVzbSWLtt Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE7rKYbDBnHnTmXCJ+FqWXoOSiCzQFAlzbzl5fFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEVF QjI5ODZDMzA2NzFFNzRFNjVDMjI3RTE2QTU5N0EwRTRBMjBCMzQACgkQFqWXoOSi CzTcew/+M33D3nsKVYFTgGwKWN84i0SL4ASHg60tDDZa6O5ZIlI++iaFBJ7Q/4X6 b4i6Kj1FrU5ANJbHo95AP2lz9srMPgCixTFt0m67bwAxlhBBcKG1sUNWIuZT3d9C SwwXzq2O7GREuKWa2se/Wylrt4lKOrJMYaABO0PY5SqD3OyWzATfYOm867W0GQlv nNlauUneoLoRUeeu03hTBeSsvA3u/BVSMk/CY+l8EPAl0g8WTNaxE2jyuZWecv75 ERAk5RlYzyunYN22ycWDKsrm/aFXG0eNiu0S8Wgt/MBulLYW3TrhbrQZk7FHrAE5 TTm/Uc4tBgQIWA0e8C4rLc0zXo2OZ6iGJrwxWhirjsxkZ1FXZLRVnOQcvLGtUdrI Tatziu+Bnt4MNCRoAVnxMWx8+/08seaWPT4E1zAavnCDH69pfSzN+WQ/jMytWDoH aJ6y+FMOym+378FelQMDBQLb4KMh5DvBlPNYGGFzeiBSktTvdME2VlAo7X0gmxoT cbH1XotCUmNQkhVH1ir/187ztLVH8qm3LRUri/uuqIvlmr+Oxtkml8Lz8KsZ+Sc6 mZvs3GhwTE9A2Qa+uidN+Rh+XObvSsmlcS8rUGwPKtRIH5pWm3K+qFwW6M8T9NvQ RMl3OlWu8Rmj/8ea1MYMhigyXncY99Wm5kWxsQdnICIF2OIhrOM= =9SsJ -----END PGP SIGNATURE----- --pf9I7BMVVzbSWLtt--
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