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Date: Mon, 20 Apr 2009 17:35:05 +0800
From: Eugene Teo <>
CC: "Steven M. Christey" <>
Subject: CVE request: kernel: ipv6: null pointer dereference in __inet6_check_established()

According to the upstream commit 3f53a381, "we already have a valid net
in that place, but... the tw pointer can be NULL there sometimes, thus
causing an oops in NET_NS=y case.

The same place in ipv4 code already works correctly using existing
net, rather than tw's one."

The bug exists since 2.6.27.

Thanks, Eugene
Eugene Teo / Red Hat Security Response Team

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