From 7a3048954a537b82f2dfd5cf81600585820ffd3a Mon Sep 17 00:00:00 2001 From: Ian Lewis Date: Sat, 21 Dec 2019 03:27:52 -0500 Subject: [PATCH] Add note on nested virtualization --- content/docs/user_guide/platforms.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/content/docs/user_guide/platforms.md b/content/docs/user_guide/platforms.md index b0b76c0ee..8d04274f7 100644 --- a/content/docs/user_guide/platforms.md +++ b/content/docs/user_guide/platforms.md @@ -63,6 +63,11 @@ nested virtualization in several popular environments: * VirtualBox: [Nested Virtualization][nested-virtualbox] * KVM: [Nested Guests][nested-kvm] +***Note: nested virtualization will have poor performance and is historically a +cause of security issues (e.g. +[CVE-2018-12904](https://nvd.nist.gov/vuln/detail/CVE-2018-12904)). It is not +recommended for production.*** + ### Configuring Docker Per above, you will need to configure Docker to use `runsc` with the KVM