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Bug 1208491 - kernel: denial of service (DoS) attack against IPv6 network stacks due to improper handling of Router Advertisements. [fedora-all]
Summary: kernel: denial of service (DoS) attack against IPv6 network stacks due to imp...
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 21
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2015-04-02 11:45 UTC by Prasad J Pandit
Modified: 2015-04-23 16:07 UTC (History)
9 users (show)

Fixed In Version: kernel-4.0.0-1.fc22
Doc Type: Release Note
Doc Text:
Clone Of:
Last Closed: 2015-04-22 22:46:47 UTC
Type: ---

Attachments (Terms of Use)

Description Prasad J Pandit 2015-04-02 11:45:12 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.

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:

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.

[bug automatically created by: add-tracking-bugs]

Comment 1 Prasad J Pandit 2015-04-02 11:45:22 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)

# testing, stable

# Bug numbers: 1234,9876

# Description of your update
notes=Security fix for 

# Enable request automation based on the stable/unstable karma thresholds

# Automatically close bugs when this marked as stable

# Suggest that users restart after update


Additionally, you may opt to use the bodhi update submission link instead:,1208491

Comment 2 Josh Boyer 2015-04-02 12:27:35 UTC
Fixed in Fedora git on all branches.

Comment 3 Fedora Update System 2015-04-14 01:17:58 UTC
kernel-4.0.0-1.fc22 has been submitted as an update for Fedora 22.

Comment 4 Josh Boyer 2015-04-14 01:20:31 UTC
Low impact DoS over IPv6.  Proposing as partial justification for getting the final Linux v4.0 release in Beta.

Comment 5 Fedora Update System 2015-04-14 19:30:48 UTC
kernel-3.19.4-200.fc21 has been submitted as an update for Fedora 21.

Comment 6 Fedora Update System 2015-04-14 20:06:29 UTC
kernel-3.19.4-100.fc20 has been submitted as an update for Fedora 20.

Comment 7 Fedora Update System 2015-04-18 09:36:02 UTC
Package kernel-3.19.4-100.fc20:
* should fix your issue,
* was pushed to the Fedora 20 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing kernel-3.19.4-100.fc20'
as soon as you are able to, then reboot.
Please go to the following url:
then log in and leave karma (feedback).

Comment 8 Adam Williamson 2015-04-20 20:17:32 UTC
The FE proposal for Beta came in a bit too late, Beta has now shipped; dropping that proposal. The Final freeze will not take effect until 05-12: this update can be pushed stable without any special handling between now and then.

Comment 9 Fedora Update System 2015-04-22 22:46:47 UTC
kernel-3.19.4-100.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 10 Fedora Update System 2015-04-22 22:54:21 UTC
kernel-3.19.4-200.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 11 Fedora Update System 2015-04-23 16:07:08 UTC
kernel-4.0.0-1.fc22 has been pushed to the Fedora 22 stable repository.  If problems still persist, please make note of it in this bug report.

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