Bug 520297

Summary: kernel: ipv4: make ip_append_data() handle NULL routing table [rhel-5.5]
Product: Red Hat Enterprise Linux 5 Reporter: Eugene Teo (Security Response) <eteo>
Component: kernelAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: high Docs Contact:
Priority: urgent    
Version: 5.5CC: anton, dhoward, dzickus, emcnabb, hjia, jpirko, jplans, jskrabal, lwang, rkhan
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
: 520299 520300 520301 (view as bug list) Environment:
Last Closed: 2010-03-30 06:54:29 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On:    
Bug Blocks: 533192, 520299, 520300, 520301, 525215, 526775, 527436    

Description Eugene Teo (Security Response) 2009-08-30 11:19:42 UTC
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 8 Don Zickus 2009-10-06 19:39:06 UTC
in kernel-2.6.18-168.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Please do NOT transition this bugzilla state to VERIFIED until our QE team
has sent specific instructions indicating when to do so.  However feel free
to provide a comment indicating that this fix has been verified.

Comment 13 errata-xmlrpc 2010-03-30 06:54:29 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-2010-0178.html