Xenial's implementation has been update via updates to newer 4.4
upstream stable versions.
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1779848
Title:
Cleanup Meltdown/Spectre implementation
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Xenial:
Invalid
Bug description:
== SRU Justification ==
Ubuntu kernels contain Meltdown and Spectre mitigations that are
largely based on embargoed patches but what eventually landed in
upstream is different in some places. We should clean up the different
kernels to bring them closer in line with upstream.
== Fix ==
Add missing upstream patches.
== Regression Potential ==
Medium. The patches have been in upstream for quite a while now and
are baked in but some of the backporting is not completely trivial and
without risk.
== Test Case ==
TBD.
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