From: Ryan Mallon <rmallon@gmail.com>
To: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Kees Cook <keescook@chromium.org>,
"Theodore Ts'o" <tytso@mit.edu>,
LKML <linux-kernel@vger.kernel.org>,
Tommi Rantala <tt.rantala@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Andy Lutomirski <luto@amacapital.net>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Alan Cox <alan@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Wang <jasowang@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Dan Carpenter <dan.carpenter@oracle.com>,
James Morris <james.l.morris@oracle.com>
Subject: Re: [PATCH 1/9] Known exploit detection
Date: Sat, 14 Dec 2013 09:49:38 +1100 [thread overview]
Message-ID: <52AB8F02.6030101@gmail.com> (raw)
In-Reply-To: <52AAD178.6020607@oracle.com>
On 13/12/13 20:20, Vegard Nossum wrote:
> On 12/13/2013 12:50 AM, Ryan Mallon wrote:
>> On 13/12/13 08:13, Kees Cook wrote:
>>> On Thu, Dec 12, 2013 at 11:06 AM, Theodore Ts'o <tytso@mit.edu> wrote:
>>>> On Thu, Dec 12, 2013 at 05:52:24PM +0100, vegard.nossum@oracle.com wrote:
>>>>> The idea is simple -- since different kernel versions are vulnerable to
>>>>> different root exploits, hackers most likely try multiple exploits before
>>>>> they actually succeed.
>>
>> The _exploit() notifications could also be used to spam the syslogs.
>> Although they are individually ratelimited, if there are enough
>> _exploit() markers in the kernel then an annoying person can cycle
>> through them all to generate large amounts of useless syslog.
>
> They are rate limited collectively, not individually, so this should not be an issue.
Yes, sorry, I misread the code.
I wonder if the exploit() function name should be changed though. Having:
exploit("CVE-xxxx");
In the code looks like some sort of injection/testing framework. Maybe:
warn_known_exploit("CVE-xxxx");
would be clearer?
~Ryan
next prev parent reply other threads:[~2013-12-13 22:47 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 16:52 [PATCH 1/9] Known exploit detection vegard.nossum
2013-12-12 16:52 ` [PATCH 2/9] exploit: report to audit subsystem when available vegard.nossum
2013-12-12 16:52 ` [PATCH 3/9] hfs: Known exploit detection for CVE-2011-4330 vegard.nossum
2013-12-13 8:00 ` Dan Carpenter
2013-12-12 16:52 ` [PATCH 4/9] net: Known exploit detection for CVE-2012-2136 vegard.nossum
2013-12-12 16:52 ` [PATCH 5/9] hfsplus: Known exploit detection for CVE-2012-2319 vegard.nossum
2013-12-13 1:40 ` Greg Kroah-Hartman
2013-12-13 11:14 ` One Thousand Gnomes
2013-12-12 16:52 ` [PATCH 6/9] x86: Known exploit detection for CVE-2013-0268 vegard.nossum
2013-12-12 16:52 ` [PATCH 7/9] drm/i915: Known exploit detection for CVE-2013-0913 vegard.nossum
2013-12-12 16:52 ` [PATCH 8/9] userns: Known exploit detection for CVE-2013-1959 vegard.nossum
2013-12-12 16:52 ` [PATCH 9/9] perf: Known exploit detection for CVE-2013-2094 vegard.nossum
2013-12-12 19:06 ` [PATCH 1/9] Known exploit detection Theodore Ts'o
2013-12-12 21:13 ` Kees Cook
2013-12-12 23:50 ` Ryan Mallon
2013-12-12 23:55 ` Kees Cook
2013-12-13 11:10 ` One Thousand Gnomes
2013-12-13 14:21 ` Jiri Kosina
2013-12-13 9:20 ` Vegard Nossum
2013-12-13 22:49 ` Ryan Mallon [this message]
2013-12-13 13:06 ` Ingo Molnar
2013-12-13 15:55 ` Jason Cooper
2013-12-13 23:07 ` Ryan Mallon
2013-12-13 0:25 ` Dave Jones
2013-12-13 0:45 ` Andy Lutomirski
2013-12-13 1:42 ` Greg Kroah-Hartman
2013-12-13 1:44 ` Dave Jones
2013-12-13 5:09 ` James Morris
2013-12-13 5:46 ` Theodore Ts'o
2013-12-13 13:19 ` Ingo Molnar
2013-12-13 10:21 ` Vegard Nossum
2013-12-13 10:31 ` Alexander Holler
2013-12-13 11:48 ` Dan Carpenter
2013-12-13 11:57 ` Greg Kroah-Hartman
2013-12-13 13:23 ` Ingo Molnar
2013-12-13 18:00 ` Kees Cook
2013-12-13 17:58 ` Kees Cook
2013-12-13 18:14 ` Linus Torvalds
2013-12-13 18:37 ` Kees Cook
2013-12-13 5:27 ` Theodore Ts'o
2013-12-13 9:32 ` Jiri Kosina
2013-12-13 18:07 ` Kees Cook
2013-12-13 9:12 ` Vegard Nossum
2013-12-13 13:27 ` Ingo Molnar
2013-12-13 8:20 ` Vegard Nossum
2013-12-14 23:59 ` Ryan Mallon
2013-12-13 12:54 ` Ingo Molnar
2013-12-16 5:17 ` Sasha Levin
2013-12-19 6:14 ` David Rientjes
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