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Date: Mon, 15 Apr 2013 17:00:52 +0530 (IST)
From: P J P <>
To: oss security list <>
Subject: CVE request - Linux kernel: tracing NULL pointer dereference


Linux kernels built with Function Tracers and Stack Trackers are vulnerable to 
a NULL pointer dereference flaw. It occurs while writing to `set_ftrace_pid' 
and `set_graph_function' files used by the kernel tracers.

A privileged user/program could use this flaw to crash the kernel, resulting 
in DoS.

Upstream fix:


Thank you.
Prasad J Pandit / Red Hat Security Response Team
DB7A 84C5 D3F9 7CD1 B5EB  C939 D048 7860 3655 602B

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