IBRS is not enabled by default in Ubuntu kernel
Bug #1759688 reported by
Matthew Eaton
This bug affects 2 people
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
Bug Description
I noticed the Ubuntu kernel does not enable IBRS by default. To check this I installed the mainline kernel where it does get enabled by default. Please see attachments ubuntu.txt and mainline.txt.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-
ProcVersionSign
Uname: Linux 4.13.0-37-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CurrentDesktop: Unity
Date: Wed Mar 28 13:56:46 2018
InstallationDate: Installed on 2018-03-28 (0 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
SourcePackage: linux-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
Revision history for this message
| Matthew Eaton (meaton) wrote | #1 |
Revision history for this message
| Matthew Eaton (meaton) wrote | #2 |
| information type: | Private Security → Public Security |
Revision history for this message
| Launchpad Janitor (janitor) wrote | #3 |
| Changed in linux-hwe (Ubuntu): | |
| status: | New → Confirmed |
| affects: | linux-hwe (Ubuntu) → linux (Ubuntu) |
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Status changed to 'Confirmed' because the bug affects multiple users.