Bug 651264 - (CVE-2010-3880) CVE-2010-3880 kernel: logic error in INET_DIAG bytecode auditing
CVE-2010-3880 kernel: logic error in INET_DIAG bytecode auditing
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
Unspecified Unspecified
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,cvss2=4.9/AV:L/AC:L/A...
: Security
Depends On: 651265 651266 651267 651268 651269
Blocks:
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Reported: 2010-11-09 00:57 EST by Eugene Teo (Security Response)
Modified: 2015-08-31 23:55 EDT (History)
13 users (show)

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Doc Type: Bug Fix
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Description Eugene Teo (Security Response) 2010-11-09 00:57:03 EST
Description of problem:
INET-DIAG is inconsistent about how it looks up the bytecode contained in a
netlink message, making it possible for a user to cause the kernel to execute
unaudited INET-DIAG bytecode. This can be abused to make the kernel enter an infinite loop, and possibly other consequences.

Reference:
http://www.spinics.net/lists/netdev/msg145899.html

Acknowledgements:

Red Hat would like to thank Nelson Elhage for reporting this issue.
Comment 3 Eugene Teo (Security Response) 2010-11-22 01:06:33 EST
Statement:

This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not include support for monitoring of INET transport protocol sockets. Future updates in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG may address this flaw.
Comment 4 Eugene Teo (Security Response) 2010-11-22 08:24:13 EST
Upstream commit:
http://git.kernel.org/linus/22e76c849d505d87c5ecf3d3e6742a65f0ff4860
Comment 5 Kyle McMartin 2010-11-23 11:18:58 EST
Thanks, grabbed this Fedora.
Comment 6 errata-xmlrpc 2010-12-08 14:09:42 EST
This issue has been addressed in following products:

  MRG for RHEL-5

Via RHSA-2010:0958 https://rhn.redhat.com/errata/RHSA-2010-0958.html
Comment 8 errata-xmlrpc 2011-01-04 11:53:05 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2011:0004 https://rhn.redhat.com/errata/RHSA-2011-0004.html
Comment 9 errata-xmlrpc 2011-01-11 14:45:43 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2011:0007 https://rhn.redhat.com/errata/RHSA-2011-0007.html

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