This bug was fixed in the package qemu - 1:2.11+dfsg-1ubuntu2
---------------
qemu (1:2.11+dfsg-1ubuntu2) bionic; urgency=medium
* d/p/ubuntu/qemu-stable-2.11.1.patch: add stable release
- among other fixes this adds code to:
- mitigate the Spectre/Meltdown attacks (LP: #1744882) (CVE-2017-5715)
However, enabling this functionality requires additional configuration
beyond just updating QEMU. Also migrations need special consideration.
Details about that can be found at:
https://www.qemu.org/2018/02/14/qemu-2-11-1-and-spectre-update/
- Power9 allocation of max 8 threads per core (LP: #1750526)
* Drop changes that are part of the upstream stable release
- d/p/ubuntu/linux-headers-update-to-4.15-rc1.patch
- d/p/ubuntu/linux-headers-update-4.15-rc9.patch
- d/p/ubuntu/lp1743560-s390x-kvm-Handle-bpb-feature.patch
- d/p/ubuntu/lp1743560-s390x-kvm-provide-stfle.81.patch
* d/p/ubuntu/define-ubuntu-machine-types.patch: refresh to match stable update
* d/p/ubuntu/pre-bionic-256k-ipxe-efi-roms.patch: unify to only change the
common compat.h header and add some extra info in the patch header.
-- Christian Ehrhardt <christian.ehrha...@canonical.com> Mon, 19 Feb
2018 11:03:11 +0100
** Changed in: qemu (Ubuntu Bionic)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1744882
Title:
Add SPEC_CTRL and IBRS changes
Status in Ubuntu Cloud Archive:
Triaged
Status in Ubuntu Cloud Archive kilo series:
Fix Committed
Status in Ubuntu Cloud Archive mitaka series:
Fix Committed
Status in Ubuntu Cloud Archive ocata series:
Fix Committed
Status in Ubuntu Cloud Archive pike series:
Fix Released
Status in qemu package in Ubuntu:
Fix Released
Status in qemu source package in Trusty:
Fix Released
Status in qemu source package in Xenial:
Fix Released
Status in qemu source package in Artful:
Fix Released
Status in qemu source package in Bionic:
Fix Released
Bug description:
The merge of [1] landed the spectre related changes for SPEC_CTRL and
IBRS to qemu 2.12
It is announced in [2] that there shall be a 2.11.1 with the backport that we
intend to pick.
The security team can use this merge at [1] to work on backwards security
updates.
For 18.04 (not yet released) the intention for now is to pick 2.11.1 once
available.
[1]:
https://github.com/qemu/qemu/commit/5cad8ca516011695a37d5be905292722b5249da8
[2]: https://www.qemu.org/2018/01/04/spectre/
To manage notifications about this bug go to:
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