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Date: Fri, 6 Dec 2013 19:13:32 +0530 (IST)
From: P J P <>
To: oss security list <>
Subject: CVE request: Kernel: ping: NULL pointer dereference on write to


Linux kernel built with the TCP/IP networking support(CONFIG_NET) is 
vulnerable to a NULL pointer dereference flaw. It could occur via a plain 
read(2) call on a ping socket. Usage of ping sockets is generally restricted 
to privileged users.

A user/program able to read from ping sockets could use this flaw to crash a
system resulting in DoS.

Upstream fix:


Thank you.
Prasad J Pandit / Red Hat Security Response Team

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