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Rewrite security note regarding PV to PVH migration

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Requested by QubesOS/qubes-issues#3530
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Andrew David Wong 2018-02-08 09:05:55 -06:00
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releases/4.0/release-notes.md
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@ -31,9 +31,12 @@ New features since 3.2
You can get detailed description in [completed github issues][github-release-notes] You can get detailed description in [completed github issues][github-release-notes]
Note Security Notes
---- --------------
* PV VMs restored from R3.2 to R4.x will be automatically migrated to PVH from R4.rc4 to address [QSB 37 (Meltdown & Spectre)][qsb-37]. However PV VMs restored from R4.x are not migrated.
* PV VMs migrated from 3.2 to 4.0-rc4 or later are automatically set to PVH mode in order to protect against Meltdown (see [QSB #37][qsb-37]).
However, PV VMs migrated from any earlier 4.0 release candidate (RC1, RC2, or RC3) are not automically set to PVH mode.
These must be set manually.
Known issues Known issues
------------ ------------
@ -44,8 +47,6 @@ Known issues
* For other known issues take a look at [our tickets](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22Release+4.0%22+label%3Abug) * For other known issues take a look at [our tickets](https://github.com/QubesOS/qubes-issues/issues?q=is%3Aopen+is%3Aissue+milestone%3A%22Release+4.0%22+label%3Abug)
* Until R4.rc3 included, PV VMs restored from R3.x backup will not automatically be migrated to PVH mode and may be exposed to [QSB 37][qsb-37].
It is advised to install updates just after system installation to apply bug fixes for (some of) the above problems. It is advised to install updates just after system installation to apply bug fixes for (some of) the above problems.
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