Bug 168993 – CAN-2005-3053 RHEL 4 sys_set_mempolicy allows invalid policy leading to panic

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Bug 168993 - CAN-2005-3053 RHEL 4 sys_set_mempolicy allows invalid policy leading to panic

Summary:	CAN-2005-3053 RHEL 4 sys_set_mempolicy allows invalid policy leading to panic

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 4
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	4.0
Hardware:	All Linux

Priority	medium Severity high
Target Milestone:	---
Target Release:	---
Assigned To:	Larry Woodman
QA Contact:	Brian Brock
Docs Contact:

URL:
Whiteboard:	reported=20050921,public=20050801,sou...
Keywords:	Security

Depends On:
Blocks:
	Show dependency tree / graph

Reported:	2005-09-21 17:07 EDT by Issue Tracker
Modified:	2007-11-30 17:07 EST (History)
CC List:	3 users (show)

See Also:
Fixed In Version:	RHSA-2005-808
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2005-10-27 11:09:07 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Groups: None (edit)

Comment 13 Mark J. Cox 2005-10-27 10:37:35 EDT

The set_mempolicy system call does not check for negative numbers in the policy
field.  Setting a negative value will cause a panic when the process later
allocates a memory page.  This allows an unprivileged local user to panic the
system.

Comment 14 Red Hat Bugzilla 2005-10-27 11:09:08 EDT

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-2005-808.html

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