Bug 2160031 - CVE-2022-2196 kernel: KVM: nVMX: missing IBPB when exiting from nested guest can lead to Spectre v2 attacks [fedora-all]
Summary: CVE-2022-2196 kernel: KVM: nVMX: missing IBPB when exiting from nested guest ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 37
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: CVE-2022-2196
TreeView+ depends on / blocked
 
Reported: 2023-01-11 11:34 UTC by Mauro Matteo Cascella
Modified: 2023-01-15 01:59 UTC (History)
19 users (show)

Fixed In Version: kernel-6.1.5-100.fc36 kernel-6.1.5-200.fc37
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-01-15 01:36:17 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Mauro Matteo Cascella 2023-01-11 11:34:29 UTC
More information about this security flaw is available in the following bug:

http://bugzilla.redhat.com/show_bug.cgi?id=2160023

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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

Comment 1 Mauro Matteo Cascella 2023-01-11 11:34:33 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=2160023,2160031

# 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 Fedora Update System 2023-01-12 22:38:51 UTC
FEDORA-2023-3fd7349f60 has been submitted as an update to Fedora 36. https://bodhi.fedoraproject.org/updates/FEDORA-2023-3fd7349f60

Comment 3 Fedora Update System 2023-01-12 22:38:59 UTC
FEDORA-2023-f4f9182dc8 has been submitted as an update to Fedora 37. https://bodhi.fedoraproject.org/updates/FEDORA-2023-f4f9182dc8

Comment 4 Fedora Update System 2023-01-13 02:37:09 UTC
FEDORA-2023-3fd7349f60 has been pushed to the Fedora 36 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2023-3fd7349f60`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2023-3fd7349f60

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2023-01-13 03:01:50 UTC
FEDORA-2023-f4f9182dc8 has been pushed to the Fedora 37 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2023-f4f9182dc8`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2023-f4f9182dc8

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 6 Fedora Update System 2023-01-15 01:36:17 UTC
FEDORA-2023-3fd7349f60 has been pushed to the Fedora 36 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2023-01-15 01:59:20 UTC
FEDORA-2023-f4f9182dc8 has been pushed to the Fedora 37 stable repository.
If problem still persists, please make note of it in this bug report.


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