Bug 1079214 (CVE-2013-7339)

Summary:	CVE-2013-7339 kernel: net: rds: dereference of a NULL device in rds_ib_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, 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, 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_ib_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 16:24:34 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:	1079216, 1079217, 1079218, 1079219, 1079220, 1079221, 1079222, 1079223, 1091357, 1093338
Bug Blocks:	1079227

Description Petr Matousek 2014-03-21 08:54:00 UTC

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

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

Upstream patch:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c2349758acf1874e4c2b93fe41d072336f1a31d0

References:
http://seclists.org/oss-sec/2014/q1/628

Comment 3 Petr Matousek 2014-03-21 08:58:20 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1079222]

Comment 4 Petr Matousek 2014-03-21 08:59:56 UTC

Statement:

(none)

Comment 7 errata-xmlrpc 2014-06-10 20:45:37 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2014:0740 https://rhn.redhat.com/errata/RHSA-2014-0740.html

Comment 8 Vincent Danen 2014-06-20 13:47:44 UTC

This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2014:0439 https://rhn.redhat.com/errata/RHSA-2014-0439.html

Comment 9 errata-xmlrpc 2014-07-29 15:51:28 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 10 Martin Prpič 2014-08-25 09:10:16 UTC

IssueDescription:

A NULL pointer dereference flaw was found in the rds_ib_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 11 errata-xmlrpc 2014-08-27 14:01:41 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