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TITLE:
Sun Solaris NFSv4 Client Kernel Module Denial of Service

SECUNIA ADVISORY ID:
SA31517

VERIFY ADVISORY:
http://secunia.com/advisories/31517/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
Sun Solaris 10
http://secunia.com/product/4813/

DESCRIPTION:
A vulnerability has been reported in Sun Solaris, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an unspecified error in the NFSv4
client kernel module. This can be exploited to cause all local NFSv4
mounts to become unresponsive by cooperating with a privileged user
from a NFSv4 server.

The vulnerability is reported in Solaris 10 and OpenSolaris systems
where NFSv4 and automountd(1M) are in use.

SOLUTION:
Apply patches.

-- SPARC Platform --

Solaris 10:
Apply patch 137111-05 or later.

OpenSolaris:
Fixed in build snv_37 or later.

-- x86 Platform --

Solaris 10:
Apply patch 137112-05 or later.

OpenSolaris:
Fixed in build snv_37 or later.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-240546-1

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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