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Bug 547906 - (CVE-2009-4141) CVE-2009-4141 kernel: create_elf_tables can leave urandom in a bad state
CVE-2009-4141 kernel: create_elf_tables can leave urandom in a bad state
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
reported=20091216,public=20091216,sou...
: Security
Depends On: 548656 548657 548658 549246 557320
Blocks:
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Reported: 2009-12-15 18:48 EST by Eugene Teo (Security Response)
Modified: 2015-02-16 10:40 EST (History)
20 users (show)

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Doc Type: Bug Fix
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Last Closed: 2010-12-21 17:08:43 EST
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RHEL 7.3 requirements from Atomic Host:


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Description Eugene Teo (Security Response) 2009-12-15 18:48:09 EST
Reported by Tavis Ormandy of Google Security Team. The root cause was determined to be a use-after-free of locked async file descriptors, and it is believed to have been introduced here: http://git.kernel.org/linus/233e70f4228e78eb2f80dc6650f65d3ae3dbf17c

Acknowledgements:

Red Hat would like to thank Tavis Ormandy of Google Security Team for reporting this issue.
Comment 10 Eugene Teo (Security Response) 2010-01-14 02:51:26 EST
Upstream commit:
http://git.kernel.org/linus/53281b6d3
Comment 11 Eugene Teo (Security Response) 2010-01-14 03:07:24 EST
This only affected Red Hat Enterprise Linux 5.
Comment 13 errata-xmlrpc 2010-01-19 18:36:58 EST
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5

Via RHSA-2010:0046 https://rhn.redhat.com/errata/RHSA-2010-0046.html
Comment 15 Aristeu Rozanski 2010-01-26 08:44:51 EST
Patch present on the latest RHEL6 git tree.
Comment 16 Chuck Ebbert 2010-01-29 08:15:19 EST
Fixed in 2.6.31.12 and 2.6.32.4 by:

 fasync-split-fasync_helper-into-separate-add-remove-functions.patch
Comment 17 Fedora Update System 2010-02-03 12:13:36 EST
kernel-2.6.30.10-105.2.13.fc11 has been submitted as an update for Fedora 11.
http://admin.fedoraproject.org/updates/kernel-2.6.30.10-105.2.13.fc11
Comment 18 Fedora Update System 2010-02-04 20:48:29 EST
kernel-2.6.30.10-105.2.13.fc11 has been pushed to the Fedora 11 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 19 errata-xmlrpc 2010-03-17 00:02:56 EDT
This issue has been addressed in following products:

  Red Hat Enterprise Linux 5.3.Z - Server Only

Via RHSA-2010:0149 https://rhn.redhat.com/errata/RHSA-2010-0149.html
Comment 20 errata-xmlrpc 2010-03-23 11:42:28 EDT
This issue has been addressed in following products:

  MRG for RHEL-5

Via RHSA-2010:0161 https://rhn.redhat.com/errata/RHSA-2010-0161.html

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