Bug 2120641

Summary:	CVE-2022-2962 qemu: tulip: DMA reentrancy issue leads to stack or heap overflow [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Mauro Matteo Cascella <mcascell>
Component:	qemu	Assignee:	Fedora Virtualization Maintainers <virt-maint>
Status:	CLOSED WONTFIX	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	low	Docs Contact:
Priority:	low
Version:	36	CC:	berrange, cfergeau, crobinso, mcascell, ondrejj, pbonzini, philmd, rjones, thuth, virt-maint
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-20 17:09:36 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:	2120631

Description Mauro Matteo Cascella 2022-08-23 12:58:55 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.

Comment 1 Mauro Matteo Cascella 2022-08-23 12:58:58 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=low

# testing, stable
request=testing

# Bug numbers: 1234,9876
bugs=2120631,2120641

# 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 Mauro Matteo Cascella 2022-08-25 10:10:00 UTC

Upstream patch:
https://lists.nongnu.org/archive/html/qemu-devel/2022-08/msg03033.html

Comment 3 Thomas Huth 2022-09-14 21:03:53 UTC

Patch has been merged upstream here: https://gitlab.com/qemu-project/qemu/-/commit/36a894aeb64a2e02871016d

Comment 4 Mauro Matteo Cascella 2022-09-20 17:09:36 UTC

As agreed with Cole, I'm closing this bug as WONTFIX because fixing would require changes across lots of different devices [1] and it's unlikely there are users in Fedora using the Tulip device. Plus this is not an important/critical CVE.

[1] https://www.mail-archive.com/qemu-devel@nongnu.org/msg858830.html