Bug 1083274 (CVE-2014-2678)

Summary:	CVE-2014-2678 kernel: net: rds: dereference of a NULL device in rds_iw_laddr_check()
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	agordeev, aquini, bhu, davej, david.west, dhoward, esammons, fhrbata, fweimer, gansalmon, iboverma, itamar, jforbes, jkacur, jkurik, jonathan, jross, jwboyer, kenneth.j.hall, kernel-maint, kernel-mgr, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mmilgram, nobody, npajkovs, pholasek, plougher, rt-maint, rvrbovsk, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A NULL pointer dereference flaw was found in the rds_iw_laddr_check() function in the Linux kernel's implementation of Reliable Datagram Sockets (RDS). A local, unprivileged user could use this flaw to crash the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-07-29 16:28:27 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:	1083276, 1083277, 1083278, 1083279, 1083280, 1083281, 1083282, 1093311, 1093312, 1093341
Bug Blocks:	1083273

Description Petr Matousek 2014-04-01 19:34:46 UTC

Description of the problem:
Binding might result in a NULL device which is later dereferenced in rds_iw_laddr_check() function without checking.

A local unprivileged user could use this flaw to crash the system.

Upstream patch:
http://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/net/rds/iw.c?id=bf39b4247b8799935ea91d90db250ab608a58e50

References:
http://seclists.org/oss-sec/2014/q1/711

Comment 1 Petr Matousek 2014-04-01 19:35:52 UTC

Statement:

(none)

Comment 4 Petr Matousek 2014-04-01 19:39:04 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1083280]

Comment 5 Fedora Update System 2014-04-09 00:51:17 UTC

kernel-3.13.9-100.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2014-04-09 00:58:08 UTC

kernel-3.13.9-200.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 9 errata-xmlrpc 2014-05-27 16:27:38 UTC

This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2014:0557 https://rhn.redhat.com/errata/RHSA-2014-0557.html

Comment 10 errata-xmlrpc 2014-07-23 16:05:12 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2014:0926 https://rhn.redhat.com/errata/RHSA-2014-0926.html

Comment 11 Martin Prpič 2014-07-28 11:34:16 UTC

IssueDescription:

A NULL pointer dereference flaw was found in the rds_iw_laddr_check() function in the Linux kernel's implementation of Reliable Datagram Sockets (RDS). A local, unprivileged user could use this flaw to crash the system.

Comment 12 errata-xmlrpc 2014-07-29 15:51:52 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2014:0981 https://rhn.redhat.com/errata/RHSA-2014-0981.html

Comment 13 errata-xmlrpc 2014-08-27 14:01:51 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.4 EUS - Server and Compute Node Only

Via RHSA-2014:1101 https://rhn.redhat.com/errata/RHSA-2014-1101.html