Bug 522738

Summary:	[RHEL4.8] igb driver doesn't allocate enough buffer for ethtool_get_strings() [rhel-4.8.z]
Product:	Red Hat Enterprise Linux 4	Reporter:	RHEL Program Management <pm-rhel>
Component:	kernel	Assignee:	Vitaly Mayatskikh <vmayatsk>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	4.8	CC:	bobby.suber, daniel_frazier, dannf, david.graham, dhoward, emcnabb, peterm, pm-eus, sandy.garza, sassmann
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	The data buffer ethtool_get_strings() allocated, for the igb driver, was smaller than the amount of data that was copied in igb_get_strings(), because of a miscalculation in IGB_QUEUE_STATS_LEN, resulting in memory corruption. This bug could have led to a kernel panic.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2009-10-22 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:
Bug Depends On:	517329
Bug Blocks:

Description RHEL Program Management 2009-09-11 09:17:07 UTC

This bug has been copied from bug #517329 and has been proposed
to be backported to 4.8 z-stream (EUS).

Comment 3 Vitaly Mayatskikh 2009-10-02 10:48:40 UTC

Committed in 89.0.13

Comment 7 errata-xmlrpc 2009-10-22 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 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-2009-1522.html

Comment 8 Douglas Silas 2011-01-31 00:03:21 UTC

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
The data buffer ethtool_get_strings() allocated, for the igb driver, was smaller than the amount of data that was copied in igb_get_strings(), because of a miscalculation in IGB_QUEUE_STATS_LEN, resulting in memory corruption. This bug could have led to a kernel panic.