Bug 1389687

Summary:	CVE-2016-9104 Qemu: 9pfs: integer overflow leading to OOB access [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Prasad Pandit <ppandit>
Component:	qemu	Assignee:	Fedora Virtualization Maintainers <virt-maint>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	low	Docs Contact:
Priority:	low
Version:	24	CC:	amit.shah, berrange, cfergeau, crobinso, dwmw2, itamar, pbonzini, rjones, virt-maint
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	qemu-2.7.1-2.fc25 qemu-2.6.2-6.fc24	Doc Type:	Release Note
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-01-20 17:59:26 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1389686

Description Prasad Pandit 2016-10-28 09:05:59 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:
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.

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

Comment 1 Prasad Pandit 2016-10-28 09:06:12 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

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=1389686,1389687

# Description of your update
notes=Security fix for 

# 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 Cole Robinson 2017-01-16 18:33:25 UTC

commit dd28fbbc2edc0822965d402d927ce646326d6954
Author: Li Qiang <liqiang6-s>
Date:   Tue Nov 1 12:00:40 2016 +0100

    9pfs: add xattrwalk_fid field in V9fsXattr struct

commit 8495f9ad26d398f01e208a53f1a5152483a16084
Author: Li Qiang <liqiang6-s>
Date:   Tue Nov 1 12:00:40 2016 +0100

    9pfs: convert 'len/copied_len' field in V9fsXattr to the type of uint64_t

commit 7e55d65c56a03dcd2c5d7c49d37c5a74b55d4bd6
Author: Li Qiang <liqiang6-s>
Date:   Tue Nov 1 12:00:40 2016 +0100

    9pfs: fix integer overflow issue in xattr read/write

Comment 3 Fedora Update System 2017-01-17 00:04:29 UTC

qemu-2.6.2-6.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2017-12394e2cc7

Comment 4 Fedora Update System 2017-01-17 15:18:49 UTC

qemu-2.7.1-2.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-b953d4d3a4

Comment 5 Fedora Update System 2017-01-17 21:52:00 UTC

qemu-2.6.2-6.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-12394e2cc7

Comment 6 Fedora Update System 2017-01-19 09:08:27 UTC

qemu-2.7.1-2.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-b953d4d3a4

Comment 7 Fedora Update System 2017-01-20 17:59:26 UTC

qemu-2.7.1-2.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2017-01-25 20:20:59 UTC

qemu-2.6.2-6.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.