From: vegard.nossum@oracle.com
To: linux-kernel@vger.kernel.org
Cc: Vegard Nossum <vegard.nossum@oracle.com>,
Alan Cox <alan@linux.intel.com>, Ingo Molnar <mingo@kernel.org>
Subject: [PATCH 6/9] x86: Known exploit detection for CVE-2013-0268
Date: Thu, 12 Dec 2013 17:52:29 +0100 [thread overview]
Message-ID: <1386867152-24072-6-git-send-email-vegard.nossum@oracle.com> (raw)
In-Reply-To: <1386867152-24072-1-git-send-email-vegard.nossum@oracle.com>
From: Vegard Nossum <vegard.nossum@oracle.com>
See c903f0456bc69176912dee6dd25c6a66ee1aed00.
Cc: Alan Cox <alan@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
---
arch/x86/kernel/msr.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 88458fa..fad04f1 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -37,6 +37,7 @@
#include <linux/notifier.h>
#include <linux/uaccess.h>
#include <linux/gfp.h>
+#include <linux/exploit.h>
#include <asm/processor.h>
#include <asm/msr.h>
@@ -174,8 +175,10 @@ static int msr_open(struct inode *inode, struct file *file)
unsigned int cpu = iminor(file_inode(file));
struct cpuinfo_x86 *c;
- if (!capable(CAP_SYS_RAWIO))
+ if (!capable(CAP_SYS_RAWIO)) {
+ exploit("CVE-2013-0268");
return -EPERM;
+ }
if (cpu >= nr_cpu_ids || !cpu_online(cpu))
return -ENXIO; /* No such CPU */
--
1.7.10.4
next prev parent reply other threads:[~2013-12-12 16:54 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 ` vegard.nossum [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1386867152-24072-6-git-send-email-vegard.nossum@oracle.com \
--to=vegard.nossum@oracle.com \
--cc=alan@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.