Bug 471835

Summary:	kernel: V4L/DVB (9621): Avoid writing outside shadow.bytes[] array
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:	kseifried, mchehab
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 21:13:24 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:	471840, 471841, 471842, 471843, 471844, 471845, 471846, 471847
Bug Blocks:

Description Eugene Teo (Security Response) 2008-11-17 04:10:29 UTC

From: Mauro Carvalho Chehab <mchehab>
There were no check about the limits of shadow.bytes array. This offers a risk of writing values outside the limits, overriding other data areas.

Comment 1 Eugene Teo (Security Response) 2008-11-17 04:11:06 UTC

Proposed upstream patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=494264379d186bf806613d27aafb7d88d42f4212

Comment 4 Kurt Seifried 2011-09-30 21:13:24 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