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AUSCERT Security Bulletin
ASB-2009.1104.2
Patches released for OpenBSD kernel
7 October 2009
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AusCERT Security Bulletin Summary
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Product: OpenBSD kernel
Operating System: OpenBSD
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2009-3572
Member content until: Thursday, November 5 2009
Revision History: October 7 2009: CVE reference added
October 6 2009: Initial Release
OVERVIEW
A vulnerability has been identified in OpenBSD/i386 kernel.
IMPACT
This vulnerability, affecting versions 4.4, 4.5 and 4.6, caused by XMM
exceptions being incorrectly handled could result in a denial of
service. [1, 2, 3]
MITIGATION
OpenBSD have released patches for versions 4.4, 4.5 and 4.6. [1, 2, 3]
REFERENCES
[1] OpenBSD 4.4 errata
http://www.openbsd.org/errata44.html
[2] OpenBSD 4.5 errata
http://www.openbsd.org/errata45.html
[3] OpenBSD 4.6 errata
http://www.openbsd.org/errata46.html
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
If you believe that your computer system has been compromised or attacked in
any way, we encourage you to let us know by completing the secure National IT
Incident Reporting Form at:
http://www.auscert.org.au/render.html?it=3192
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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