Bug 520300

Summary:	kernel: ipv4: make ip_append_data() handle NULL routing table [rhel-3]
Product:	Red Hat Enterprise Linux 3	Reporter:	Eugene Teo (Security Response) <eteo>
Component:	kernel	Assignee:	Don Howard <dhoward>
Status:	CLOSED ERRATA	QA Contact:	Martin Jenner <mjenner>
Severity:	high	Docs Contact:
Priority:	high
Version:	3.9	CC:	dhoward, lwang
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	520297	Environment:
Last Closed:	2009-11-03 22:00:55 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:	520297
Bug Blocks:

Description Eugene Teo (Security Response) 2009-08-30 11:24:11 UTC

+++ This bug was initially created as a clone of Bug #520297 +++

Description of problem:
Add a check in ip_append_data() for NULL *rtp to prevent future bugs in callers from being exploitable.

http://git.kernel.org/linus/788d908f2879a17e5f80924f3da2e23f1034482d

Comment 3 Don Howard 2009-10-16 18:50:07 UTC

A patch for this issue has been included in build 2.4.21-61.EL.

Comment 7 errata-xmlrpc 2009-11-03 22:00:55 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-2009-1550.html