Bug 1253755 (CVE-2015-6496)

Summary:	CVE-2015-6496 conntrackd crash on unexpected network traffic
Product:	[Other] Security Response	Reporter:	Florian Weimer <fweimer>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	abaron, aortega, apevec, ayoung, bperkins, carnil, chrisw, dallan, gkotton, gmollett, i, jschluet, lhh, lpeer, markmc, pwouters, rbryant, rhos-maint, sclewis, tdecacqu, twoerner
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-01-21 02:41:44 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:	1253757, 1253758
Bug Blocks:	1239093, 1253759

Description Florian Weimer 2015-08-14 15:31:16 UTC

It was discovered that conntrackd would crash if it encountered network
traffic with an IP protocol type for which the corresponding kernel module
was not loaded.

Comment 1 Florian Weimer 2015-08-14 15:32:38 UTC

Upstream commit:

https://git.netfilter.org/conntrack-tools/commit/?id=c392c159605956c7bd4a264ab4490e2b2704c0cd

CVE request on oss-security:

http://www.openwall.com/lists/oss-security/2015/08/14/4

Comment 4 Florian Weimer 2015-08-14 15:33:31 UTC

Created conntrack-tools tracking bugs for this issue:

Affects: fedora-all [bug 1253757]

Comment 5 Adam Mariš 2015-08-18 12:13:44 UTC

CVE assignment:
http://seclists.org/oss-sec/2015/q3/380

Comment 6 Fedora Update System 2015-08-22 02:52:02 UTC

conntrack-tools-1.4.2-9.fc22 has been pushed to the Fedora 22 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update conntrack-tools'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/conntrack-tools-1.4.2-9.fc22

Comment 7 Fedora Update System 2015-08-22 04:19:38 UTC

conntrack-tools-1.4.2-9.fc21 has been pushed to the Fedora 21 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update conntrack-tools'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/conntrack-tools-1.4.2-9.fc21

Comment 8 Fedora Update System 2015-08-22 16:26:28 UTC

conntrack-tools-1.4.2-9.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update conntrack-tools'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/conntrack-tools-1.4.2-9.fc23

Comment 10 Fedora Update System 2016-01-03 20:23:02 UTC

conntrack-tools-1.4.2-9.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 11 Fedora Update System 2016-01-03 21:20:58 UTC

conntrack-tools-1.4.2-9.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.