[SA19737] Linux Kernel perfmon Local Denial of Service Vulnerability

TITLE:
Linux Kernel perfmon Local Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA19737

VERIFY ADVISORY:
http://secunia.com/advisories/19737/

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 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 perfmon (perfmon.c)
during exit processing and may cause a crash when a task is
interrupted while another process is accessing the "mm_struct"
structure.

SOLUTION:
Secunia is currently not aware of an official version addressing
this.

PROVIDED AND/OR DISCOVERED BY:
Cliff Wickman

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.)
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