Bug 470761 (CVE-2008-5134)

Summary:	CVE-2008-5134 kernel: libertas: fix buffer overrun
Product:	[Other] Security Response	Reporter:	Eugene Teo (Security Response) <eteo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	bhu, kseifried, lgoncalv, mjc, rallton, williams
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-09-30 21:11:26 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:	470762
Bug Blocks:

Description Eugene Teo (Security Response) 2008-11-10 03:52:53 UTC

Description of problem:
From: Johannes Berg <johannes>

If somebody sends an invalid beacon/probe response, that can trash the whole BSS descriptor. The descriptor is, luckily, large enough so that it cannot scribble past the end of it; it's well above 400 bytes long.

Comment 1 Eugene Teo (Security Response) 2008-11-10 03:53:04 UTC

Reference: http://article.gmane.org/gmane.linux.kernel.wireless.general/23049

Comment 2 Eugene Teo (Security Response) 2008-11-10 03:53:20 UTC

Proposed upstream patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=48735d8d8bd701b1e0cd3d49c21e5e385ddcb077

Comment 5 Eugene Teo (Security Response) 2008-12-05 05:32:04 UTC

The driver was included in the upstream kernel since 2.6.22. We did not backport it to our RHEL kernels.

Comment 10 Eugene Teo (Security Response) 2008-12-11 00:03:29 UTC

Our official statement can be found at:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-5134

Comment 12 Kurt Seifried 2011-09-30 21:11:26 UTC

This issue has been addressed in following products:

  Red Hat Enterprise MRG v1 for Red Hat Enterprise Linux (version 5)
  
Via RHSA-2009:0053 available at https://rhn.redhat.com/errata/RHSA-2009-0053.html