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TITLE:
Linux Kernel "syscall()" Argument Handling Denial of Service

SECUNIA ADVISORY ID:
SA15812

VERIFY ADVISORY:
http://secunia.com/advisories/15812/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

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

The vulnerability is caused due to an error in "fault.c" and can
cause the kernel to crash when handling specially crafted "syscall()"
arguments on the AMD64 platform when running in 32-bit compatibility
mode.

SOLUTION:
Secunia is currently not aware of an official patch or updated
version fixing this vulnerability.

Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
ZouNanHai

ORIGINAL ADVISORY:
Ubuntu:
http://www.ubuntulinux.org/support/documentation/usn/usn-143-1

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

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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