Bug 159824

Summary:	CAN-2005-1761 local user can use ptrace to crash system
Product:	Red Hat Enterprise Linux 2.1	Reporter:	Mark J. Cox <mjc>
Component:	kernel	Assignee:	Don Howard <dhoward>
Status:	CLOSED ERRATA	QA Contact:	Brian Brock <bbrock>
Severity:	high	Docs Contact:
Priority:	medium
Version:	2.1	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	ia64
OS:	Linux
Whiteboard:	reported=20050607,impact=important,source=bugzilla,public=20050621:10
Fixed In Version:	RHSA-2005-551	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2005-08-25 13:18:41 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:
Bug Blocks:	143573

Comment 1 Mark J. Cox 2005-06-27 11:38:48 UTC

CAN-2005-1761 ptrace crasher
        HP reported via Intel a way that on ia64 a local user could
        write to the pl field via ptrace and therefore read/write
        kernel memory.

Comment 2 Mark J. Cox 2005-07-07 22:14:37 UTC

(Out of embargo)

Comment 7 Red Hat Bugzilla 2005-08-25 13:18:41 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 the 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-2005-551.html