Bug 1239029 (CVE-2015-5364, CVE-2015-5366)

Summary:	CVE-2015-5366 CVE-2015-5364 kernel: net: incorrect processing of checksums in UDP implementation
Product:	[Other] Security Response	Reporter:	Martin Prpič <mprpic>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	agordeev, aquini, bhu, carnil, ddu, dhoward, esammons, fhrbata, gansalmon, haliu, iboverma, itamar, jaeshin, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mdshaikh, mguzik, mmilgram, mpoole, mprpic, nmurray, pholasek, plougher, pmatouse, ppandit, qguo, rt-maint, rvrbovsk, sardella, siwu, slawomir, vdronov, williams, yozone
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A flaw was found in the way the Linux kernel's networking implementation handled UDP packets with incorrect checksum values. A remote attacker could potentially use this flaw to trigger an infinite loop in the kernel, resulting in a denial of service on the system, or cause a denial of service in applications using the edge triggered epoll functionality.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-01-19 14:02:39 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:	1239033, 1240757, 1240758, 1240759, 1240760, 1240761, 1240762, 1240763, 1240764, 1241394, 1321844, 1321845, 1321846
Bug Blocks:	1239031

Description Martin Prpič 2015-07-03 09:59:29 UTC

Linux kernel built with the networking support(CONFIG_NET) is vulnerable to an infinite loop issue. It could occur while receiving(recvmsg(2), recvfrom(2)) data over UDP channel, with an incorrect checksum value.

An unprivileged user could use this flaw to cause DoS(CVE-2015-5364) to a remote system via specially crafted UDP packets.

The CVE-2015-5366 issue is also a DoS, but is limited only to the affected application and not the entire system.


Upstream patch:
---------------
  -> https://git.kernel.org/linus/beb39db59d14990e401e235faf66a6b9b31240b0

Reference:
----------
  -> http://seclists.org/oss-sec/2015/q3/10

Comment 1 Martin Prpič 2015-07-03 10:00:02 UTC

CVE was assigned in http://seclists.org/oss-sec/2015/q3/10

Comment 2 Martin Prpič 2015-07-03 10:06:18 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1239033]

Comment 3 Prasad Pandit 2015-07-07 16:42:54 UTC

Statement:

Comment 14 errata-xmlrpc 2015-08-13 17:08:14 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2015:1623 https://rhn.redhat.com/errata/RHSA-2015-1623.html

Comment 18 ddu 2015-09-07 05:43:09 UTC

Hi guys,

Does this problem affect RHEL4?

Best regards,
Dapeng

Comment 19 errata-xmlrpc 2015-09-15 09:23:48 UTC

This issue has been addressed in the following products:

  MRG for RHEL-6 v.2

Via RHSA-2015:1787 https://rhn.redhat.com/errata/RHSA-2015-1787.html

Comment 20 errata-xmlrpc 2015-09-15 09:39:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2015:1788 https://rhn.redhat.com/errata/RHSA-2015-1788.html

Comment 24 errata-xmlrpc 2016-01-19 12:27:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5

Via RHSA-2016:0045 https://rhn.redhat.com/errata/RHSA-2016-0045.html

Comment 27 errata-xmlrpc 2016-05-23 12:54:26 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6.4 Advanced Update Support

Via RHSA-2016:1096 https://rhn.redhat.com/errata/RHSA-2016-1096.html

Comment 28 errata-xmlrpc 2016-05-24 12:38:33 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6.6 Extended Update Support

Via RHSA-2016:1100 https://rhn.redhat.com/errata/RHSA-2016-1100.html

Comment 29 errata-xmlrpc 2016-06-14 11:27:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6.5 Advanced Update Support

Via RHSA-2016:1225 https://access.redhat.com/errata/RHSA-2016:1225