TITLE:
Linux Kernel SACF Instruction Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA13654

VERIFY ADVISORY:
https://secunia.com/advisories/13654/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

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

DESCRIPTION:
Martin Schwidefsky has reported a vulnerability in the Linux Kernel,
which can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to the SACF (Set Address Space
Control Fast) control instruction being handled insecurely on the
S/390 platform.

SOLUTION:
Update to version 2.6.10.
https://kernel.org/

PROVIDED AND/OR DISCOVERED BY:
Martin Schwidefsky

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