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From: David Miller <davem@davemloft.net>
To: luto@amacapital.net
Cc: jorge@dti2.net, ebiederm@xmission.com, vgoyal@redhat.com,
	ssorce@redhat.com, security@kernel.org, netdev@vger.kernel.org,
	serge@hallyn.com
Subject: Re: [PATCH 5/5] net: Use netlink_ns_capable to verify the permisions of netlink messages
Date: Wed, 07 May 2014 18:52:56 -0400 (EDT)	[thread overview]
Message-ID: <20140507.185256.496391962242529591.davem@davemloft.net> (raw)
In-Reply-To: <CALCETrXL6eui802diSCrzNEtVcA5f3W58kFj6h4DYobm3YR_JQ@mail.gmail.com>

From: Andy Lutomirski <luto@amacapital.net>
Date: Wed, 7 May 2014 15:26:11 -0700

> So what do we do?  Check permissions on connect and then use the
> cached result for send on a connected socket?  Check permitted caps
> instead of effective caps?

It should create the socket after changing perms.

  reply	other threads:[~2014-05-07 22:52 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CALCETrUaYhh6Dkzn0TMEUz-GEO9-6ObByk5d_xRViSMBbp5Pkg@mail.gmail.com>
     [not found] ` <cover.1397840611.git.luto@amacapital.net>
     [not found]   ` <6daf425e2023266d52d181e4d2ee18747d4f1fa8.1397840611.git.luto@amacapital.net>
     [not found]     ` <87tx9nuxf6.fsf@x220.int.ebiederm.org>
     [not found]       ` <CALCETrUqNVRBse4rUeUKfgYt0d+9x1JrEHGcZ_DnWyq7W6Yyzw@mail.gmail.com>
     [not found]         ` <87r44qtabz.fsf@x220.int.ebiederm.org>
     [not found]           ` <CALCETrWzUQ7QjykT85ExDfX-+9eDD-D-dcxofUMPvLK=ia9arg@mail.gmail.com>
     [not found]             ` <87r44qrt8v.fsf_-_@x220.int.ebiederm.org>
2014-04-22 21:13               ` [PATCH 0/6]: Preventing abuse when passing file descriptors Eric W. Biederman
2014-04-22 21:14                 ` [PATCH 1/6] netlink: Rename netlink_capable netlink_allowed Eric W. Biederman
2014-04-22 21:15                 ` [PATCH 2/6] net: Move the permission check in sock_diag_put_filterinfo to packet_diag_dump Eric W. Biederman
2014-04-22 21:15                 ` [PATCH 3/6] net: Fix ns_capable check in packet_diag_dump Eric W. Biederman
2014-04-22 21:16                 ` [PATCH 4/6] net: Add variants of capable for use on on sockets Eric W. Biederman
2014-04-22 21:16                 ` [PATCH 5/6] net: Add variants of capable for use on netlink messages Eric W. Biederman
2014-04-22 21:17                 ` [PATCH 6/6] net: Use netlink_ns_capable to verify the permisions of " Eric W. Biederman
2014-04-23 19:32                 ` [PATCH 0/6]: Preventing abuse when passing file descriptors David Miller
2014-04-23 21:24                   ` [PATCH 0/5]: " Eric W. Biederman
2014-04-23 21:25                     ` [PATCH 1/5] netlink: Rename netlink_capable netlink_allowed Eric W. Biederman
2014-04-23 21:26                     ` [PATCH 2/5] net: Move the permission check in sock_diag_put_filterinfo to packet_diag_dump Eric W. Biederman
2014-04-23 21:26                     ` [PATCH 3/5] net: Add variants of capable for use on on sockets Eric W. Biederman
2014-04-23 21:28                     ` [PATCH 4/5] net: Add variants of capable for use on netlink messages Eric W. Biederman
2014-04-23 21:29                     ` [PATCH 5/5] net: Use netlink_ns_capable to verify the permisions of " Eric W. Biederman
2014-05-07 22:18                       ` Jorge Boncompte [DTI2]
2014-05-07 22:26                         ` Andy Lutomirski
2014-05-07 22:52                           ` David Miller [this message]
2014-05-07 23:01                             ` Andy Lutomirski
2014-05-07 23:34                               ` Linus Torvalds
2014-05-07 23:45                                 ` Andy Lutomirski
2014-05-22 15:05                                   ` Jiri Benc
2014-05-23 23:25                                     ` Eric W. Biederman
2014-05-23 23:51                                       ` Linus Torvalds
2014-05-24 22:34                                         ` David Miller
2014-05-25  5:38                                         ` [RFC][PATCH] netlink: Only check file credentials for implicit destinations Eric W. Biederman
2014-05-25 16:50                                           ` Andy Lutomirski
2014-05-25 23:44                                             ` Eric W. Biederman
2014-05-26  0:32                                               ` Linus Torvalds
2014-05-26  5:36                                                 ` [RFC][PATCH 2/1] netlink: Use the credential at the time the destination address was set Eric W. Biederman
2014-05-26 17:19                                                   ` Andy Lutomirski
2014-05-27  4:24                                                     ` Eric W. Biederman
2014-05-26 13:39                                                 ` [RFC][PATCH] netlink: Only check file credentials for implicit destinations Willy Tarreau
2014-05-26  8:38                                             ` Michael Kerrisk (man-pages)
2014-05-25  5:45                                         ` [PATCH 5/5] net: Use netlink_ns_capable to verify the permisions of netlink messages Eric W. Biederman
2014-05-25 16:27                                           ` Andy Lutomirski
2014-05-08 21:29                                 ` Stephen Hemminger
2014-05-08 21:32                                   ` Andy Lutomirski
     [not found]                                   ` <CA+55aFzOHZcw2o6Cq6rSddSBDZvhgzYToBruak9SLCHxx-fA3Q@mail.gmail.com>
2014-05-08 21:49                                     ` Andy Lutomirski
2014-05-08 22:07                                       ` Stephen Hemminger
2014-05-08 21:54                                     ` David Miller
2014-05-07 23:45                               ` David Miller
2014-05-08 21:21                                 ` Stephen Hemminger
2014-05-08 21:52                                   ` David Miller
2014-05-08 21:54                                     ` Andy Lutomirski
2014-04-24 17:45                     ` [PATCH 0/5]: Preventing abuse when passing file descriptors David Miller
2014-06-13  1:31 [PATCH 0/5] Backport to 3.10.y for fix CVE-2014-0181 Xiangyu Lu
2014-06-13  1:31 ` [PATCH 5/5] net: Use netlink_ns_capable to verify the permisions of netlink messages Xiangyu Lu

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