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From 0b92347337e9201140ed2daf77a934c731de6630 Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Thu, 14 Jul 2022 12:40:05 +0200
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Subject: [PATCH] sysprep: advise against cloning VMs with internal full disk
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encryption
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This is relevant for sysprep because we recommend sysprep for facilitating
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cloning.
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2106286
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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Message-Id: <20220714104005.8334-3-lersek@redhat.com>
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Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
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(cherry picked from commit b49ee909f5d1a0d7b5c668335b9098ca8ff85bfd)
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---
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sysprep/virt-sysprep.pod | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/sysprep/virt-sysprep.pod b/sysprep/virt-sysprep.pod
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index deeb5341e..232b9f24b 100644
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--- a/sysprep/virt-sysprep.pod
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+++ b/sysprep/virt-sysprep.pod
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@@ -519,6 +519,13 @@ Either or both options can be used multiple times on the command line.
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=head1 SECURITY
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+Virtual machines that employ full disk encryption I
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+guest> should not be considered for cloning and distribution, as it
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+provides multiple parties with the same internal volume key, enabling
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+any one such party to decrypt all the other clones. Refer to the L
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+FAQ|https://gitlab.com/cryptsetup/cryptsetup/-/blob/main/FAQ.md> for
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+details.
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+
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Although virt-sysprep removes some sensitive information from the
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guest, it does not pretend to remove all of it. You should examine
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the L</OPERATIONS> above and the guest afterwards.
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--
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2.31.1
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