Bug 1007939 (CVE-2013-4348) - CVE-2013-4348 kernel: net: deadloop path in skb_flow_dissect()
Summary: CVE-2013-4348 kernel: net: deadloop path in skb_flow_dissect()
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2013-4348
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1007942 1007943 1007955 1025647
Blocks: 1008303
TreeView+ depends on / blocked
 
Reported: 2013-09-13 15:23 UTC by Petr Matousek
Modified: 2023-05-12 00:12 UTC (History)
15 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-08-24 16:00:11 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2013:1490 0 normal SHIPPED_LIVE Important: kernel-rt security and bug fix update 2013-10-31 20:23:39 UTC

Description Petr Matousek 2013-09-13 15:23:43 UTC 
A flaw was found in the way ip packets with ihl of zero were processed in the skb_flow_dissect() function in the Linux kernel.

A remote attacker could use this flaw to cause inifinite loop in the kernel.

Acknowledgements:

This issue was found by Jason Wang of Red Hat.
Comment 3 Petr Matousek 2013-09-13 15:39:17 UTC 
Statement:

This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. Future Linux kernel updates for Red Hat Enterprise Linux MRG 2 might address this issue.
Comment 6 errata-xmlrpc 2013-10-31 16:30:15 UTC 
This issue has been addressed in following products:

  MRG for RHEL-6 v.2

Via RHSA-2013:1490 https://rhn.redhat.com/errata/RHSA-2013-1490.html
Comment 7 Petr Matousek 2013-11-01 07:55:50 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1025647]
Comment 8 Josh Boyer 2013-11-01 12:13:03 UTC 
http://thread.gmane.org/gmane.linux.kernel/1588387
Comment 9 Fedora Update System 2013-11-05 02:59:12 UTC 
kernel-3.11.6-201.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 10 Fedora Update System 2013-11-10 07:57:20 UTC 
kernel-3.11.7-300.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 11 Fedora Update System 2013-11-13 02:16:28 UTC 
kernel-3.11.7-100.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 12 John Kacur 2014-02-06 13:41:49 UTC 
Upstream commit 6f092343855a71e03b8d209815d8c45bf3a27fcd
Note You need to log in before you can comment on or make changes to this bug.