Bug 576018 (CVE-2010-1084)

Summary:	CVE-2010-1084 kernel: bluetooth: potential bad memory access with sysfs files
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:	arozansk, bhu, davej, dhoward, jpirko, kmcmartin, lgoncalv, lwang, plyons, pmatouse, rcvalle, tao, tcallawa, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-03-28 08:37:28 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:	576019, 576020, 576021, 576022
Bug Blocks:

Description Eugene Teo (Security Response) 2010-03-23 02:33:11 UTC

Description of problem:
When creating a high number of Bluetooth sockets (L2CAP, SCO and RFCOMM) it is possible to scribble repeatedly on arbitrary pages of memory. Ensure that the content of these sysfs files is always less than one page. Even if this means truncating. The files in question are scheduled to be moved over to debugfs in
the future anyway.

Upstream patch:
http://git.kernel.org/linus/101545f6fef4a0a3ea8daf0b5b880df2c6a92a69

Acknowledgements:

Red Hat would like to thank Neil Brown for reporting this issue.

Comment 3 errata-xmlrpc 2010-08-10 18:01:27 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2010:0610 https://rhn.redhat.com/errata/RHSA-2010-0610.html

Comment 4 errata-xmlrpc 2010-08-17 15:52:54 UTC

This issue has been addressed in following products:

  MRG for RHEL-5

Via RHSA-2010:0631 https://rhn.redhat.com/errata/RHSA-2010-0631.html