TITLE:
Linux Kernel "sys32_ni_syscall" and "sys32_vm86_warning" Buffer
Overflows

SECUNIA ADVISORY ID:
SA13410

VERIFY ADVISORY:
http://secunia.com/advisories/13410/

CRITICAL:
Less critical

IMPACT:
Unknown

WHERE:
Local system

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

DESCRIPTION:
Jeremy Fitzhardinge has reported some potential vulnerabilities with
an unknown impact in the Linux Kernel.

The vulnerabilities are caused due to boundary errors within the
"sys32_ni_syscall()" and "sys32_vm86_warning()" functions and can be
exploited to cause buffer overflows.

The attack vectors and impact are currently unknown.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Jeremy Fitzhardinge

ORIGINAL ADVISORY:
http://www.ussg.iu.edu/hypermail/linux/kernel/0411.3/1467.html

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