Bug 651698 (CVE-2010-4158)

Summary:	CVE-2010-4158 kernel: socket filters infoleak
Product:	[Other] Security Response	Reporter:	Eugene Teo (Security Response) <eteo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	arozansk, bhu, bob69xxx, dhoward, drjones, fhrbata, jkacur, jolsa, kmcmartin, lgoncalv, lwang, plyons, rkhan, tcallawa, vdanen, vdanen, vgoyal, vkrizan, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-07-29 13:17:52 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:	651699, 651700, 651701, 651702, 651703, 651704, 651705
Bug Blocks:

Description Eugene Teo (Security Response) 2010-11-10 06:36:47 UTC

Description of problem:
The "mem" array used as scratch space for socket filters is not initialized, allowing unprivileged users to leak kernel stack bytes.

http://www.spinics.net/lists/netdev/msg146361.html
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077321.html

Acknowledgements:

Red Hat would like to thank Dan Rosenberg for reporting this issue.

Comment 3 Vincent Danen 2010-11-10 21:52:17 UTC

This issue has been assigned the name CVE-2010-4158.

Comment 5 Eugene Teo (Security Response) 2010-11-12 06:56:14 UTC

We are aware that the public reproducer caused a deadlock issue on rhel-5. We have filed separate bugs for that. See CVE-2010-4161.

Comment 8 Eugene Teo (Security Response) 2010-11-15 02:23:47 UTC

Upstream commit:
http://git.kernel.org/linus/57fe93b374a6b8711995c2d466c502af9f3a08bb

Comment 9 errata-xmlrpc 2010-12-08 19:10:22 UTC

This issue has been addressed in following products:

  MRG for RHEL-5

Via RHSA-2010:0958 https://rhn.redhat.com/errata/RHSA-2010-0958.html

Comment 10 errata-xmlrpc 2011-01-11 19:46:52 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:0007 https://rhn.redhat.com/errata/RHSA-2011-0007.html

Comment 11 errata-xmlrpc 2011-01-13 22:00:17 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2011:0017 https://rhn.redhat.com/errata/RHSA-2011-0017.html

Comment 12 errata-xmlrpc 2011-01-14 09:03:21 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2011:0017 https://rhn.redhat.com/errata/RHSA-2011-0017.html

Comment 13 errata-xmlrpc 2011-01-18 17:46:06 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 4

Via RHSA-2011:0162 https://rhn.redhat.com/errata/RHSA-2011-0162.html