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Date: Fri, 25 Feb 2011 13:58:13 +0800
From: Eugene Teo <>
CC: Nelson Elhage <>
Subject: Re: CVE request: libcgroup: Failure to verify netlink

On 02/25/2011 12:32 PM, Nelson Elhage wrote:
> The cgrulesengd program from libcgroup failed to properly verify the
> sender of netlink messages, allowing arbitrary users to spoof events
> to the daemon, causing it to place processes into incorrect cgroups.
> Note that the default configuration of cgrulesengd does not contain
> any any rules, so this is probably only usefully exploitable if an
> admin have specifically configured cgrulesengd to enforce some policy.
> References:

Please use CVE-2011-1022.

Eugene Teo / Red Hat Security Response Team

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