Bug 1781527 - CVE-2019-19338 kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) [fedora-all]
Summary: CVE-2019-19338 kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fi...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 31
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
: 1781518 (view as bug list)
Depends On:
Blocks: CVE-2019-19338
TreeView+ depends on / blocked
 
Reported: 2019-12-10 08:20 UTC by Prasad Pandit
Modified: 2020-03-20 15:02 UTC (History)
20 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-03-20 15:02:27 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Prasad Pandit 2019-12-10 08:20:56 UTC
This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.

For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When submitting as an update, use the fedpkg template provided in the next
comment(s).  This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.

Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.

NOTE: this issue affects multiple supported versions of Fedora. While only
one tracking bug has been filed, please correct all affected versions at
the same time.  If you need to fix the versions independent of each other,
you may clone this bug as appropriate.

Reproducers, if any, will remain confidential and never be made public, unless done so by the security team.

Comment 1 Prasad Pandit 2019-12-10 08:21:04 UTC
Use the following template to for the 'fedpkg update' request to submit an
update for this issue as it contains the top-level parent bug(s) as well as
this tracking bug.  This will ensure that all associated bugs get updated
when new packages are pushed to stable.

=====

# bugfix, security, enhancement, newpackage (required)
type=security

# low, medium, high, urgent (required)
severity=medium

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1781514,1781527

# Description of your update
notes=Security fix for [PUT CVEs HERE]

# Enable request automation based on the stable/unstable karma thresholds
autokarma=True
stable_karma=3
unstable_karma=-3

# Automatically close bugs when this marked as stable
close_bugs=True

# Suggest that users restart after update
suggest_reboot=False

======

Additionally, you may opt to use the bodhi web interface to submit updates:

https://bodhi.fedoraproject.org/updates/new

Comment 2 Prasad Pandit 2019-12-10 09:42:51 UTC
To note as an option

 kvm/x86: Export MDS_NO=0 to guests when TSX is enabled
  -> https://git.kernel.org/linus/e1d38b63acd843cfdd4222bf19a26700fd5c699e

Comment 3 Justin M. Forbes 2019-12-10 15:03:38 UTC
*** Bug 1781518 has been marked as a duplicate of this bug. ***

Comment 4 Justin M. Forbes 2020-03-03 16:16:27 UTC
*********** MASS BUG UPDATE **************

We apologize for the inconvenience.  There are a large number of bugs to go through and several of them have gone stale.  Due to this, we are doing a mass bug update across all of the Fedora 31 kernel bugs.

Fedora 31 has now been rebased to 5.5.7-200.fc31.  Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel.

If you have moved on to Fedora 32, and are still experiencing this issue, please change the version to Fedora 32.

If you experience different issues, please open a new bug report for those.

Comment 5 Prasad Pandit 2020-03-04 04:36:26 UTC
$ git tag --contains e1d38b63acd843cfdd4222bf19a26700fd5c699e
v5.4
v5.5
$ git tag --contains cbbaa2727aa3ae9e0a844803da7cef7fd3b94f2b
v5.5
$ git tag --contains c11f83e0626bdc2b6c550fc8b9b6eeefbd8cefaa
v5.5
$ git tag --contains b07a5c53d42a8c87b208614129e947dd2338ff9c
v5.5

Yes, 5.5 kernel does include the above upstream fix patches.

Thank you.

Comment 6 Justin M. Forbes 2020-03-20 15:02:27 UTC
Thank you for the update.


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