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Bug 170268

Summary:	CAN-2005-3110 ebtables race
Product:	Red Hat Enterprise Linux 4	Reporter:	Mark J. Cox <mjc>
Component:	kernel	Assignee:	James Morris <jmorris>
Status:	CLOSED ERRATA	QA Contact:	Brian Brock <bbrock>
Severity:	high	Docs Contact:
Priority:	medium
Version:	4.0	CC:	davem, jbaron, lwang
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:	public=20050314,impact=important,source=cve
Fixed In Version:	RHSA-2005-808	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2005-10-27 15:09:51 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:

Description Mark J. Cox 2005-10-10 12:55:28 UTC

"Race condition in ebtables netfilter module (ebtables.c) in Linux 2.6, when
running on an SMP system that is operating under a heavy load, might allow
remote attackers to cause a denial of service (crash) via a series of packets
that cause a value to be modified after it has been read but before it has been
locked."

Fixed in 2.6.12 upstream:
http://linux.bkbits.net:8080/linux-2.6/cset@42367117vo3LzC2fWLqtWkbVuUL05Q

Comment 4 Red Hat Bugzilla 2005-10-27 15:09:51 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-2005-808.html