Bug 912900 - (CVE-2013-0310) CVE-2013-0310 kernel: net: CIPSO_V4_TAG_LOCAL tag NULL pointer dereference
CVE-2013-0310 kernel: net: CIPSO_V4_TAG_LOCAL tag NULL pointer dereference
Status: CLOSED ERRATA
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=20130219,repor...
: Security
Depends On: 842872
Blocks:
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Reported: 2013-02-19 19:08 EST by Petr Matousek
Modified: 2016-03-04 06:35 EST (History)
24 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-07-29 09:09:12 EDT
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RHEL 7.3 requirements from Atomic Host:


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Description Petr Matousek 2013-02-19 19:08:47 EST
The skb argument to cipso_v4_validate() is NULL when called via the setsockopt() syscall. An local user able to set CIPSO IP options on the socket could use this flaw to crash the system.

Upstream fix:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89d7ae34cdda4195809a5a987f697a517a2a3177
Comment 1 Petr Matousek 2013-02-19 19:49:06 EST
Statement:

This issue did affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 6.

This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2.
Comment 2 errata-xmlrpc 2013-02-21 02:03:37 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:0496 https://rhn.redhat.com/errata/RHSA-2013-0496.html

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