Bug 1317386 (CVE-2016-3135)

Summary:	CVE-2016-3135 kernel: netfilter: size overflow in x_tables
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	agordeev, aquini, arm-mgr, bhu, carnil, dhoward, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, slawomir, vdronov, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	An integer overflow vulnerability was found in the Linux kernel in xt_alloc_table_info, which on 32-bit systems can lead to small structure allocation and a copy_from_user based heap corruption.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-03-17 15:10:32 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:	1317387
Bug Blocks:	1317388, 1320141

Description Andrej Nemec 2016-03-14 07:50:57 UTC

An integer overflow vulnerability was found in xt_alloc_table_info, which on 32-bit systems can lead to small structure allocation and a copy_from_user based heap corruption.

Proposed fix:

patch v1 message: http://marc.info/?l=netfilter-devel&m=145757136822750&w=2
patch v1  thread: http://marc.info/?t=145757149700001&r=1&w=2

patch v2 message: http://marc.info/?l=netfilter-devel&m=145800533813758&w=2 (in netfilter-devel)
patch v2 message: http://marc.info/?l=linux-netdev&m=145800538413781&w=2 (in linux-netdev)

CVE request and assignment:

http://seclists.org/oss-sec/2016/q1/581
http://seclists.org/oss-sec/2016/q1/619

Comment 1 Andrej Nemec 2016-03-14 07:51:50 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1317387]

Comment 4 Vladis Dronov 2016-03-17 15:10:06 UTC

Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, as the code with the flaw is not present in the products listed.

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 and MRG-2, as 32-bit versions of the products listed are not shipped by the Red Hat.

Comment 5 Petr Matousek 2016-03-22 12:48:28 UTC

*** Bug 1320143 has been marked as a duplicate of this bug. ***

Comment 6 Fedora Update System 2016-03-23 22:25:34 UTC

kernel-4.4.6-300.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 7 Fedora Update System 2016-03-24 00:00:36 UTC

kernel-4.4.6-200.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2016-04-02 00:41:28 UTC

kernel-4.5.0-302.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 9 Fedora Update System 2016-04-02 15:49:10 UTC

kernel-4.5.0-302.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.