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Date: Thu, 10 Mar 2016 10:25:49 +0100
From: Marcus Meissner <>
To: OSS Security List <>,
Subject: CVE Request: Linux Kernel: Linux netfilter IPT_SO_SET_REPLACE memory


>From the P0 team at Google:

A memory corruption vulnerability exists in the IPT_SO_SET_REPLACE ioctl in the netfilter code for iptables support. This ioctl is can be triggered by an unprivileged user on PF_INET sockets when unprivileged user namespaces are available (CONFIG_USER_NS=y). Android does not enable this option, but desktop/server distributions and Chrome OS will commonly enable this to allow for containers support or sandboxing.

I think this needs a CVE.

Ciao, Marcus

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