TITLE:
Linux Kernel "search_binary_handler()" Denial of Service

SECUNIA ADVISORY ID:
SA18523

VERIFY ADVISORY:
http://secunia.com/advisories/18523/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.4.x
http://secunia.com/product/763/

DESCRIPTION:
blossom has reported a vulnerability 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 missing validation of the return
code of a function call in the "search_binary_handler()" function of
exec.c. This can be exploited by local users to cause a kernel panic
via certain commands.

The vulnerability has been reported in version 2.4.21. Other versions
may also be affected.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
blossom

ORIGINAL ADVISORY:
Red Hat:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=161925

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