Bug 1183744 – CVE-2015-1465 kernel: net: DoS due to routing packets to too many different dsts/too fast

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Bug 1183744 - (CVE-2015-1465) CVE-2015-1465 kernel: net: DoS due to routing packets to too many different dsts/too fast

Summary:	CVE-2015-1465 kernel: net: DoS due to routing packets to too many different d...

Status:	CLOSED NOTABUG

Aliases:	CVE-2015-1465

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	high Severity high
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=important,public=20150123,repo...
Keywords:	Security

Depends On:	1181819 1188347
Blocks:	1183753
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Reported:	2015-01-19 11:42 EST by Petr Matousek
Modified:	2015-02-16 10:40 EST (History)
CC List:	16 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2015-02-04 10:00:30 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Description Petr Matousek 2015-01-19 11:42:44 EST

It was found that routing packets to too many different dsts/too fast can lead
to a excessive resource consumption.

A remote attacker can use this flaw to crash the system.

Introduced by:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f88649721268999bdff09777847080a52004f691

Acknowledgements:

This issue was found by Marcelo Ricardo Leitner of Red Hat.

Comment 1 Petr Matousek 2015-02-02 11:32:00 EST

Upstream patch:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=df4d92549f23e1c037e83323aff58a21b3de7fe0

Comment 2 Petr Matousek 2015-02-02 11:33:34 EST

Statement:

This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2.

Comment 3 Petr Matousek 2015-02-02 11:35:29 EST

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1188347]

Comment 4 Fedora Update System 2015-02-05 23:00:22 EST

kernel-3.18.5-201.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 5 Fedora Update System 2015-02-06 23:01:01 EST

kernel-3.18.5-101.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

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