From: Richard Cochran <richardcochran@gmail•com>
To: Hangbin Liu <liuhangbin@gmail•com>
Cc: netdev@vger•kernel.org, Miroslav Lichvar <mlichvar@redhat•com>,
Jiri Benc <jbenc@redhat•com>, Michal Kubecek <mkubecek@suse•cz>,
David Miller <davem@davemloft•net>,
stefan.sorensen@spectralink•com
Subject: Re: [PATCH net] vlan: disable SIOCSHWTSTAMP in container
Date: Thu, 9 May 2019 06:52:31 -0700 [thread overview]
Message-ID: <20190509135231.ivchey4lwpk6emte@localhost> (raw)
In-Reply-To: <20190509065507.23991-1-liuhangbin@gmail.com>
On Thu, May 09, 2019 at 02:55:07PM +0800, Hangbin Liu wrote:
> With NET_ADMIN enabled in container, a normal user could be mapped to
> root and is able to change the real device's rx filter via ioctl on
> vlan, which would affect the other ptp process on host. Fix it by
> disabling SIOCSHWTSTAMP in container.
>
> Fixes: a6111d3c93d0 ("vlan: Pass SIOC[SG]HWTSTAMP ioctls to real device")
> Signed-off-by: Hangbin Liu <liuhangbin@gmail•com>
Acked-by: Richard Cochran <richardcochran@gmail•com>
next prev parent reply other threads:[~2019-05-09 13:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-09 6:55 [PATCH net] vlan: disable SIOCSHWTSTAMP in container Hangbin Liu
2019-05-09 13:52 ` Richard Cochran [this message]
2019-05-09 16:32 ` David Miller
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