Bug 459942 - kernel: nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization [mrg-1]
Summary: kernel: nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization [...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise MRG
Classification: Red Hat
Component: realtime-kernel
Version: 1.0
Hardware: All
OS: Linux
high
high
Target Milestone: 1.0.3
: ---
Assignee: Red Hat Real Time Maintenance
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2008-08-25 01:02 UTC by Eugene Teo (Security Response)
Modified: 2008-10-07 19:20 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2008-10-07 19:20:30 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Upstream patch for this issue (1.97 KB, patch)
2008-08-25 01:03 UTC, Eugene Teo (Security Response) 		no flags Details | Diff
Patch for MRG 2.6.24.7-79 (2.91 KB, patch)
2008-09-09 19:55 UTC, Luis Claudio R. Goncalves 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2008:0857 0 normal SHIPPED_LIVE Important: kernel security and bug fix update 2008-10-07 19:18:59 UTC

Description Eugene Teo (Security Response) 2008-08-25 01:02:31 UTC 
Description of problem:
Use incoming network tuple as seed for NAT port randomization. This avoids concerns of leaking net_random() bits, and also gives better port distribution.
Comment 1 Eugene Teo (Security Response) 2008-08-25 01:03:24 UTC 
Proposed upstream patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9f593653742d1dd816c4e94c6e5154a57ccba6d1
Comment 2 Eugene Teo (Security Response) 2008-08-25 01:03:59 UTC 
Created attachment 314889 [details]
Upstream patch for this issue
Comment 5 Luis Claudio R. Goncalves 2008-09-09 19:55:36 UTC 
Created attachment 316250 [details]
Patch for MRG 2.6.24.7-79

Queued for -79
Comment 7 David Sommerseth 2008-09-24 08:43:35 UTC 
Verified that the "Patch for MRG 2.6.24.7-79" (https://bugzilla.redhat.com/attachment.cgi?id=316250) is added in the mrg-rt-2.6.24.7-81 source tree.  mrg-rt.git commit 256fe604b0cec4145abe5d7ebacb92fef8709b5a
Comment 9 errata-xmlrpc 2008-10-07 19:20:30 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-2008-0857.html
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