Bug 812183

Summary:	CVE-2011-4621 kernel: tight loop and no preemption can cause system stall [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Eugene Teo (Security Response) <eteo>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED NOTABUG	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	16	CC:	davej, gansalmon, itamar, jforbes, jonathan, jwboyer, kernel-maint, madhu.chinakonda
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Release Note
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-04-13 12:47:59 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:	769711

Description Eugene Teo (Security Response) 2012-04-13 01:40:06 UTC

This is an automatically created tracking bug!  It was created to ensure
that one or more security vulnerabilities are fixed in affected Fedora
versions.

For comments that are specific to the vulnerability please use bugs filed
against "Security Response" product referenced in the "Blocks" field.

For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs

When creating a Bodhi update request, please include this bug ID and the
bug IDs of this bug's parent bugs filed against the "Security Response"
product (the top-level CVE bugs).  Please mention the CVE IDs being fixed
in the RPM changelog when available.

Bodhi update submission link:
https://admin.fedoraproject.org/updates/new/?type_=security&bugs=769711

Please note: this issue affects multiple supported versions of Fedora.
Only one tracking bug has been filed; please ensure that it is only closed
when all affected versions are fixed.


Information with regards to this bug is considered Red Hat Confidential until the embargo has lifted. Please post the patch only to the 'rhkernel-team-list' mailing list for review and acks.

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 Josh Boyer 2012-04-13 12:47:59 UTC

This was fixed with upstream commit f26f9aff6aaf67e9a430d16c266f91b13a5bff64.  That is contained in the 2.6.37 kernel.  All Fedora branches are using kernels newer than 2.6.37.