Bug 458759

Summary:	kernel: dlm: dlm/user.c input validation fixes [rhel-5.2.z]
Product:	Red Hat Enterprise Linux 5	Reporter:	Eugene Teo (Security Response) <eteo>
Component:	kernel	Assignee:	Jiri Pirko <jpirko>
Status:	CLOSED ERRATA	QA Contact:	Martin Jenner <mjenner>
Severity:	medium	Docs Contact:
Priority:	urgent
Version:	5.2.z	CC:	dhoward, eteo, jpirko, jplans, kanderso, lwang, rkhan
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2008-11-04 10:29:26 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:	458758
Bug Blocks:

Description Eugene Teo (Security Response) 2008-08-12 04:23:54 UTC

+++ This bug was initially created as a clone of Bug #458758 +++

Description of problem:
a) in device_write(): add sentinel NUL byte, making sure that lspace.name will be NUL-terminated
b) in compat_input() be keep it simple about the amounts of data we are copying.

--- Additional comment from eteo on 2008-08-12 00:19:34 EDT ---

Proposed upstream patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=cb79f1998d89821a4dbac47f59a46ee3fbbf3c61

--- Additional comment from eteo on 2008-08-12 00:20:32 EDT ---

Created an attachment (id=314043)
Upstream patch for this issue

Comment 2 Jiri Pirko 2008-10-13 13:52:07 UTC

in kernel-2.6.18-92.1.15.el5

you can download RPMs from http://people.redhat.com/jpirko/.el52z/92.1.15/

Comment 6 errata-xmlrpc 2008-11-04 10:29:26 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2008-0957.html