Add note about backports

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Andrew David Wong 2021-08-10 00:37:00 -07:00
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@ -752,6 +752,11 @@ equipped to fix the bug. You should file a bug report in *that* project's issue
tracker instead. Not only will you be helping all other affected Qubes users,
you'll also be helping *all* downstream users of that software!
(Note: If you're wondering about cases in which a bug has already been fixed
upstream but hasn't yet arrived in your Qubes OS release, please see
[backports](/doc/issue-tracking/#backports). These are *not* cases in which an
issue is closed as "not our bug.")
### Is the I/O emulation component (QEMU) part of the Trusted Computing Base (TCB)?
No. Unlike many other virtualization systems, Qubes takes special effort to keep QEMU _outside_ of the TCB.