Public bug reported:
[Impact]
Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host and
certain physical attacks.
Linux 6.7 introduced the TDX support for the host to run confidential VMs (TDX
guests).
[Test case]
We should probably define with Intel a proper test case to test this
feature, since it requires special hardware/firmware support.
[Fix]
Enable CONFIG_INTEL_TDX_HOST in our generic kernel.
[Regression potential]
The TDX host support may introduce potential performance regressions, so
we should probably do some performance evaluation with vs without
CONFIG_INTEL_TDX_HOST enabled.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
** Package changed: linux-lowlatency (Ubuntu) => linux (Ubuntu)
** Also affects: linux (Ubuntu Noble)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2046040
Title:
enable CONFIG_INTEL_TDX_HOST in linux >= 6.7 for noble
Status in linux package in Ubuntu:
New
Status in linux source package in Noble:
New
Bug description:
[Impact]
Intel Trust Domain Extensions (TDX) protects guest VMs from malicious host
and certain physical attacks.
Linux 6.7 introduced the TDX support for the host to run confidential VMs
(TDX guests).
[Test case]
We should probably define with Intel a proper test case to test this
feature, since it requires special hardware/firmware support.
[Fix]
Enable CONFIG_INTEL_TDX_HOST in our generic kernel.
[Regression potential]
The TDX host support may introduce potential performance regressions,
so we should probably do some performance evaluation with vs without
CONFIG_INTEL_TDX_HOST enabled.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2046040/+subscriptions
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