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Bug 1039046 - (CVE-2013-6432) CVE-2013-6432 Kernel: ping: NULL pointer dereference on write to msg_name
CVE-2013-6432 Kernel: ping: NULL pointer dereference on write to msg_name
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20131118,repor...
: Security
Depends On:
Blocks: 1036074
  Show dependency treegraph
 
Reported: 2013-12-06 08:07 EST by Prasad J Pandit
Modified: 2016-03-04 06:52 EST (History)
28 users (show)

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Doc Type: Bug Fix
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Last Closed: 2014-06-10 07:55:35 EDT
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Description Prasad J Pandit 2013-12-06 08:07:45 EST
Linux kernel built with the TCP/IP networking support(CONFIG_NET) is vulnerable
to a NULL pointer dereference flaw. It could occur via a plain read(2) call on
a ping socket. Usage of ping sockets is generally restricted to privileged
users.

A user/program able to read from ping sockets could use this flaw to crash a
system resulting in DoS.

Upstream fix:
-------------
 -> https://git.kernel.org/linus/cf970c002d270c36202bd5b9c2804d3097a52da0
Comment 1 Prasad J Pandit 2013-12-06 09:08:09 EST
Statement:

This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
Comment 2 Prasad J Pandit 2013-12-06 09:14:51 EST
Acknowledgement:

Red Hat would like to thank Mr Hannes Frederic Sowa for reporting this issue.

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