Bug 629241

Summary:	CVE-2010-3448 kernel: thinkpad-acpi: lock down video output state access [rhel-5.5.z]
Product:	Red Hat Enterprise Linux 5	Reporter:	RHEL Program Management <pm-rhel>
Component:	kernel	Assignee:	Jiri Pirko <jpirko>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	medium	Docs Contact:
Priority:	high
Version:	5.6	CC:	dhoward, eteo, jarod, jpirko, jwest, lwang, plyons, pm-eus, rkhan
Target Milestone:	rc	Keywords:	Security, ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-11-09 18:08:43 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:	607037
Bug Blocks:	652122

Description RHEL Program Management 2010-09-01 12:05:06 UTC

This bug has been copied from bug #607037 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 3 Jiri Pirko 2010-09-30 13:20:39 UTC

in kernel 2.6.18-194.19.1.el5

linux-2.6-acpi-thinkpad-acpi-lock-down-video-output-state-access.patch

Comment 7 errata-xmlrpc 2010-11-09 18:08:43 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-2010-0839.html

Comment 8 Martin Prpič 2010-11-11 14:06:56 UTC

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
On certain ThinkPad models, reading video output controls could lead to a hard-crash of X.org. This update restricts access permissions to /proc/acpi/ibm/video in order to prevent the aforementioned crash.

Comment 9 Eugene Teo (Security Response) 2010-11-12 00:53:53 UTC

*** Bug 652123 has been marked as a duplicate of this bug. ***

Comment 10 Eugene Teo (Security Response) 2010-11-12 00:54:48 UTC

Deleted Technical Notes Contents.

Old Contents:
On certain ThinkPad models, reading video output controls could lead to a hard-crash of X.org. This update restricts access permissions to /proc/acpi/ibm/video in order to prevent the aforementioned crash.