xen-changelog

[Top] [All Lists]

[Xen-changelog] [xen-unstable] [IA64] Fix security vulnerability

from [Xen patchbot-unstable]

[Permanent Link][Original]

To:	xen-changelog@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-changelog] [xen-unstable] [IA64] Fix security vulnerability
From:	Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Tue, 15 Jan 2008 11:40:25 -0800
Delivery-date:	Tue, 15 Jan 2008 11:41:10 -0800
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-changelog-request@lists.xensource.com?subject=help>
List-id:	BK change log <xen-changelog.lists.xensource.com>
List-post:	<mailto:xen-changelog@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-changelog>, <mailto:xen-changelog-request@lists.xensource.com?subject=unsubscribe>
Reply-to:	xen-devel@xxxxxxxxxxxxxxxxxxx
Sender:	xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx

# HG changeset patch
# User Alex Williamson <alex.williamson@xxxxxx>
# Date 1200406021 25200
# Node ID 235bef53d5bd04b4ac3b0c443369fa09d5d99e48
# Parent  973221f4d9c76b3efa3ce42dae97a41b03273737
[IA64] Fix security vulnerability

DomU can map any other domain's memory.

Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
---
 xen/arch/ia64/xen/dom0_ops.c |    4 ++++
 1 files changed, 4 insertions(+)

diff -r 973221f4d9c7 -r 235bef53d5bd xen/arch/ia64/xen/dom0_ops.c
--- a/xen/arch/ia64/xen/dom0_ops.c      Tue Jan 15 11:29:15 2008 +0000
+++ b/xen/arch/ia64/xen/dom0_ops.c      Tue Jan 15 07:07:01 2008 -0700
@@ -522,10 +522,14 @@ do_dom0vp_op(unsigned long cmd,
         ret = dom0vp_zap_physmap(d, arg0, (unsigned int)arg1);
         break;
     case IA64_DOM0VP_add_physmap:
+        if (!IS_PRIV(d))
+            return -EPERM;
         ret = dom0vp_add_physmap(d, arg0, arg1, (unsigned int)arg2,
                                  (domid_t)arg3);
         break;
     case IA64_DOM0VP_add_physmap_with_gmfn:
+        if (!IS_PRIV(d))
+            return -EPERM;
         ret = dom0vp_add_physmap_with_gmfn(d, arg0, arg1, (unsigned int)arg2,
                                            (domid_t)arg3);
         break;

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-changelog] [xen-unstable] [IA64] Fix security vulnerability, Xen patchbot-unstable <=

Previous by Date:	[Xen-changelog] [xen-unstable] x86: INT3 and INTO trap gates should have DPL==3., Xen patchbot-unstable
Next by Date:	[Xen-changelog] [xen-unstable] xend: Remove hardcoded (and apparently unused) xend version., Xen patchbot-unstable
Previous by Thread:	[Xen-changelog] [xen-unstable] x86: INT3 and INTO trap gates should have DPL==3., Xen patchbot-unstable
Next by Thread:	[Xen-changelog] [xen-unstable] xend: Remove hardcoded (and apparently unused) xend version., Xen patchbot-unstable
Indexes:	[Date] [Thread] [Top] [All Lists]