Bug 1891115 - CVE-2020-27675 kernel: xen: race condition in event-channel removal during the event-handling loop (XSA-331) [fedora-all]
Summary: CVE-2020-27675 kernel: xen: race condition in event-channel removal during th...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 32
Hardware: Unspecified
OS: Unspecified
high
unspecified
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: CVE-2020-27675
TreeView+ depends on / blocked
 
Reported: 2020-10-23 19:45 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-11-03 01:29 UTC (History)
21 users (show)

Fixed In Version: kernel-5.8.17-300.fc33 kernel-5.8.17-100.fc31 kernel-5.8.17-200.fc32
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-11-03 00:59:27 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2020-10-23 19:45:37 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 Guilherme de Almeida Suckevicz 2020-10-23 19:45:41 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=high

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1891114,1891115

# 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 3 Fedora Update System 2020-10-29 21:56:05 UTC
FEDORA-2020-474d747b60 has been submitted as an update to Fedora 33. https://bodhi.fedoraproject.org/updates/FEDORA-2020-474d747b60

Comment 4 Fedora Update System 2020-10-29 21:56:09 UTC
FEDORA-2020-920a258c79 has been submitted as an update to Fedora 32. https://bodhi.fedoraproject.org/updates/FEDORA-2020-920a258c79

Comment 5 Fedora Update System 2020-10-29 21:56:12 UTC
FEDORA-2020-09e4d062fe has been submitted as an update to Fedora 31. https://bodhi.fedoraproject.org/updates/FEDORA-2020-09e4d062fe

Comment 6 Fedora Update System 2020-10-30 01:17:19 UTC
FEDORA-2020-474d747b60 has been pushed to the Fedora 33 testing repository.
In short time you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2020-474d747b60`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-474d747b60

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

Comment 7 Fedora Update System 2020-10-30 01:31:18 UTC
FEDORA-2020-920a258c79 has been pushed to the Fedora 32 testing repository.
In short time you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2020-920a258c79`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-920a258c79

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

Comment 8 Fedora Update System 2020-10-30 02:02:42 UTC
FEDORA-2020-09e4d062fe has been pushed to the Fedora 31 testing repository.
In short time you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --advisory=FEDORA-2020-09e4d062fe`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2020-09e4d062fe

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

Comment 9 Fedora Update System 2020-11-03 00:59:27 UTC
FEDORA-2020-474d747b60 has been pushed to the Fedora 33 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2020-11-03 01:21:08 UTC
FEDORA-2020-09e4d062fe has been pushed to the Fedora 31 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2020-11-03 01:29:53 UTC
FEDORA-2020-920a258c79 has been pushed to the Fedora 32 stable repository.
If problem still persists, please make note of it in this bug report.


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