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Accepting request 494734 from home:bfrogers:branches:Virtualization

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Security fixes.

OBS-URL: https://build.opensuse.org/request/show/494734
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=339
This commit is contained in:
Bruce Rogers 2017-05-11 21:48:59 +00:00 committed by Git OBS Bridge
parent f099b2fad1
commit 6dda64c1eb
13 changed files with 276 additions and 4 deletions
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6
0048-input-Add-trace-event-for-empty-key.patch
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@ -1,6 +1,6 @@
From c376e77aa2dd2489101c8d89a55771a67332447b Mon Sep 17 00:00:00 2001
From 99ce69e23c7154ccaee85137c121bb6b8bab8275 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Thu, 30 Mar 2017 15:32:08 +0200
Date: Thu, 30 Mar 2017 16:22:55 +0200
Subject: [PATCH] input: Add trace event for empty keyboard queue
When driving QEMU from the outside, we have basically no chance to
@ -12,6 +12,8 @@ This patch adds a trace events when the keyboarde queue is drained.
An external driver can use that as hint that new keys can be pressed.
Signed-off-by: Alexander Graf <agraf@suse.de>
Message-id: 1490883775-94658-1-git-send-email-agraf@suse.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
[BR: BSC#1031692]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---

2
0049-ACPI-don-t-call-acpi_pcihp_device_p.patch
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@ -1,4 +1,4 @@
From 9df0bb18bea5bc5cb4f292cfa4b51018cb2c70d9 Mon Sep 17 00:00:00 2001
From e4733da636cf6a2b53ae1fdfc5c934576e1970a6 Mon Sep 17 00:00:00 2001
From: Bruce Rogers <brogers@suse.com>
Date: Thu, 27 Apr 2017 13:43:58 -0600
Subject: [PATCH] ACPI: don't call acpi_pcihp_device_plug_cb on xen

2
0050-i386-Allow-cpuid-bit-override.patch
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@ -1,4 +1,4 @@
From 475a538eb562cb8cb757105957b10903c420945a Mon Sep 17 00:00:00 2001
From 5cff035804d92d336b27c368754b63e2dccbba90 Mon Sep 17 00:00:00 2001
From: Alexander Graf <agraf@suse.de>
Date: Tue, 28 Mar 2017 05:27:00 -0600
Subject: [PATCH] i386: Allow cpuid bit override

90
0051-input-limit-kbd-queue-depth.patch Normal file
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@ -0,0 +1,90 @@
From 60f3bfde84c98a31a1de4542fbab456ae83c4cbb Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 28 Apr 2017 10:42:37 +0200
Subject: [PATCH] input: limit kbd queue depth
Apply a limit to the number of items we accept into the keyboard queue.
Impact: Without this limit vnc clients can exhaust host memory by
sending keyboard events faster than qemu feeds them to the guest.
Fixes: CVE-2017-8379
Cc: P J P <ppandit@redhat.com>
Cc: Huawei PSIRT <PSIRT@huawei.com>
Reported-by: jiangxin1@huawei.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170428084237.23960-1-kraxel@redhat.com
(cherry picked from commit fa18f36a461984eae50ab957e47ec78dae3c14fc)
[BR: BSC#1037334]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
ui/input.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/ui/input.c b/ui/input.c
index ed88cda6d6..fb1f404095 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -41,6 +41,8 @@ static QTAILQ_HEAD(QemuInputEventQueueHead, QemuInputEventQueue) kbd_queue =
QTAILQ_HEAD_INITIALIZER(kbd_queue);
static QEMUTimer *kbd_timer;
static uint32_t kbd_default_delay_ms = 10;
+static uint32_t queue_count;
+static uint32_t queue_limit = 1024;
QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
QemuInputHandler *handler)
@@ -268,6 +270,7 @@ static void qemu_input_queue_process(void *opaque)
break;
}
QTAILQ_REMOVE(queue, item, node);
+ queue_count--;
g_free(item);
}
}
@@ -282,6 +285,7 @@ static void qemu_input_queue_delay(struct QemuInputEventQueueHead *queue,
item->delay_ms = delay_ms;
item->timer = timer;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
if (start_timer) {
timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)
@@ -298,6 +302,7 @@ static void qemu_input_queue_event(struct QemuInputEventQueueHead *queue,
item->src = src;
item->evt = evt;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
}
static void qemu_input_queue_sync(struct QemuInputEventQueueHead *queue)
@@ -306,6 +311,7 @@ static void qemu_input_queue_sync(struct QemuInputEventQueueHead *queue)
item->type = QEMU_INPUT_QUEUE_SYNC;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
}
void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt)
@@ -381,7 +387,7 @@ void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down)
qemu_input_event_send(src, evt);
qemu_input_event_sync();
qapi_free_InputEvent(evt);
- } else {
+ } else if (queue_count < queue_limit) {
qemu_input_queue_event(&kbd_queue, src, evt);
qemu_input_queue_sync(&kbd_queue);
}
@@ -409,8 +415,10 @@ void qemu_input_event_send_key_delay(uint32_t delay_ms)
kbd_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, qemu_input_queue_process,
&kbd_queue);
}
- qemu_input_queue_delay(&kbd_queue, kbd_timer,
- delay_ms ? delay_ms : kbd_default_delay_ms);
+ if (queue_count < queue_limit) {
+ qemu_input_queue_delay(&kbd_queue, kbd_timer,
+ delay_ms ? delay_ms : kbd_default_delay_ms);
+ }
}
InputEvent *qemu_input_event_new_btn(InputButton btn, bool down)

38
0052-audio-release-capture-buffers.patch Normal file
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@ -0,0 +1,38 @@
From f612e97b6af1cb18d66d70ede8c65faab8c21a5a Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 28 Apr 2017 09:56:12 +0200
Subject: [PATCH] audio: release capture buffers
AUD_add_capture() allocates two buffers which are never released.
Add the missing calls to AUD_del_capture().
Impact: Allows vnc clients to exhaust host memory by repeatedly
starting and stopping audio capture.
Fixes: CVE-2017-8309
Cc: P J P <ppandit@redhat.com>
Cc: Huawei PSIRT <PSIRT@huawei.com>
Reported-by: "Jiangxin (hunter, SCC)" <jiangxin1@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20170428075612.9997-1-kraxel@redhat.com
(cherry picked from commit 3268a845f41253fb55852a8429c32b50f36f349a)
[BR: BSC#1037242]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
audio/audio.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/audio/audio.c b/audio/audio.c
index c8898d8422..beafed209b 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -2028,6 +2028,8 @@ void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque)
sw = sw1;
}
QLIST_REMOVE (cap, entries);
+ g_free (cap->hw.mix_buf);
+ g_free (cap->buf);
g_free (cap);
}
return;

45
0053-scsi-avoid-an-off-by-one-error-in-m.patch Normal file
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@ -0,0 +1,45 @@
From 7b1991173de44443e24a82f6a52f3977e5f66bc7 Mon Sep 17 00:00:00 2001
From: Prasad J Pandit <pjp@fedoraproject.org>
Date: Mon, 24 Apr 2017 17:36:34 +0530
Subject: [PATCH] scsi: avoid an off-by-one error in megasas_mmio_write
While reading magic sequence(MFI_SEQ) in megasas_mmio_write,
an off-by-one error could occur as 's->adp_reset' index is not
reset after reading the last sequence.
Reported-by: YY Z <bigbird475958471@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <20170424120634.12268-1-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 24dfa9fa2f90a95ac33c7372de4f4f2c8a2c141f)
[BR: BSC#1037336 CVE-2017-8380]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
hw/scsi/megasas.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index 84b8caf901..804122ab05 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -2138,15 +2138,15 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
case MFI_SEQ:
trace_megasas_mmio_writel("MFI_SEQ", val);
/* Magic sequence to start ADP reset */
- if (adp_reset_seq[s->adp_reset] == val) {
- s->adp_reset++;
+ if (adp_reset_seq[s->adp_reset++] == val) {
+ if (s->adp_reset == 6) {
+ s->adp_reset = 0;
+ s->diag = MFI_DIAG_WRITE_ENABLE;
+ }
} else {
s->adp_reset = 0;
s->diag = 0;
}
- if (s->adp_reset == 6) {
- s->diag = MFI_DIAG_WRITE_ENABLE;
- }
break;
case MFI_DIAG:
trace_megasas_mmio_writel("MFI_DIAG", val);

33
0054-vmw_pvscsi-check-message-ring-page-.patch Normal file
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@ -0,0 +1,33 @@
From 4e1c19fe60bb27e1a8b44878b40e59c0c324af56 Mon Sep 17 00:00:00 2001
From: P J P <ppandit@redhat.com>
Date: Tue, 25 Apr 2017 18:36:23 +0530
Subject: [PATCH] vmw_pvscsi: check message ring page count at initialisation
A guest could set the message ring page count to zero, resulting in
infinite loop. Add check to avoid it.
Reported-by: YY Z <bigbird475958471@gmail.com>
Signed-off-by: P J P <ppandit@redhat.com>
Message-Id: <20170425130623.3649-1-ppandit@redhat.com>
Reviewed-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit f68826989cd4d1217797251339579c57b3c0934e)
[BR: BSC#1036211 CVE-2017-8112]
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
hw/scsi/vmw_pvscsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c
index 75575461e2..4a106da856 100644
--- a/hw/scsi/vmw_pvscsi.c
+++ b/hw/scsi/vmw_pvscsi.c
@@ -202,7 +202,7 @@ pvscsi_ring_init_msg(PVSCSIRingInfo *m, PVSCSICmdDescSetupMsgRing *ri)
uint32_t len_log2;
uint32_t ring_size;
- if (ri->numPages > PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES) {
+ if (!ri->numPages || ri->numPages > PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES) {
return -1;
}
ring_size = ri->numPages * PVSCSI_MAX_NUM_MSG_ENTRIES_PER_PAGE;

10
qemu-linux-user.changes
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@ -1,3 +1,13 @@
-------------------------------------------------------------------
Thu May 11 20:55:59 UTC 2017 - brogers@suse.com
- Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.9
* Patches added:
0051-input-limit-kbd-queue-depth.patch
0052-audio-release-capture-buffers.patch
0053-scsi-avoid-an-off-by-one-error-in-m.patch
0054-vmw_pvscsi-check-message-ring-page-.patch
-------------------------------------------------------------------
Thu Apr 27 20:09:41 UTC 2017 - brogers@suse.com

8
qemu-linux-user.spec
View File

@ -76,6 +76,10 @@ Patch0047: 0047-ARM-KVM-Enable-in-kernel-timers-wit.patch
Patch0048: 0048-input-Add-trace-event-for-empty-key.patch
Patch0049: 0049-ACPI-don-t-call-acpi_pcihp_device_p.patch
Patch0050: 0050-i386-Allow-cpuid-bit-override.patch
Patch0051: 0051-input-limit-kbd-queue-depth.patch
Patch0052: 0052-audio-release-capture-buffers.patch
Patch0053: 0053-scsi-avoid-an-off-by-one-error-in-m.patch
Patch0054: 0054-vmw_pvscsi-check-message-ring-page-.patch
# Please do not add QEMU patches manually here.
# Run update_git.sh to regenerate this queue.
Source400: update_git.sh
@ -179,6 +183,10 @@ run cross-architecture builds.
%patch0048 -p1
%patch0049 -p1
%patch0050 -p1
%patch0051 -p1
%patch0052 -p1
%patch0053 -p1
%patch0054 -p1
%build
./configure \

15
qemu-testsuite.changes
View File

@ -1,3 +1,18 @@
-------------------------------------------------------------------
Thu May 11 20:55:57 UTC 2017 - brogers@suse.com
- Address various security/stability issues
* Fix DOS potential in vnc interface (CVE-2017-8379 bsc#1037334)
0051-input-limit-kbd-queue-depth.patch
* Fix DOS potential in vnc interface (CVE-2017-8309 bsc#1037242)
0052-audio-release-capture-buffers.patch
* Fix OOB access in megasas device emulation (CVE-2017-8380
bsc#1037336)
0053-scsi-avoid-an-off-by-one-error-in-m.patch
* Fix DOS in Vmware pv scsi emulation (CVE-2017-8112 bsc#1036211)
0054-vmw_pvscsi-check-message-ring-page-.patch
- Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.9
-------------------------------------------------------------------
Thu May 4 20:14:25 UTC 2017 - brogers@suse.com

8
qemu-testsuite.spec
View File

@ -180,6 +180,10 @@ Patch0047: 0047-ARM-KVM-Enable-in-kernel-timers-wit.patch
Patch0048: 0048-input-Add-trace-event-for-empty-key.patch
Patch0049: 0049-ACPI-don-t-call-acpi_pcihp_device_p.patch
Patch0050: 0050-i386-Allow-cpuid-bit-override.patch
Patch0051: 0051-input-limit-kbd-queue-depth.patch
Patch0052: 0052-audio-release-capture-buffers.patch
Patch0053: 0053-scsi-avoid-an-off-by-one-error-in-m.patch
Patch0054: 0054-vmw_pvscsi-check-message-ring-page-.patch
# Please do not add QEMU patches manually here.
# Run update_git.sh to regenerate this queue.
@ -876,6 +880,10 @@ This package provides a service file for starting and stopping KSM.
%patch0048 -p1
%patch0049 -p1
%patch0050 -p1
%patch0051 -p1
%patch0052 -p1
%patch0053 -p1
%patch0054 -p1
pushd roms/ipxe
%patch1100 -p1

15
qemu.changes
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@ -1,3 +1,18 @@
-------------------------------------------------------------------
Thu May 11 20:55:57 UTC 2017 - brogers@suse.com
- Address various security/stability issues
* Fix DOS potential in vnc interface (CVE-2017-8379 bsc#1037334)
0051-input-limit-kbd-queue-depth.patch
* Fix DOS potential in vnc interface (CVE-2017-8309 bsc#1037242)
0052-audio-release-capture-buffers.patch
* Fix OOB access in megasas device emulation (CVE-2017-8380
bsc#1037336)
0053-scsi-avoid-an-off-by-one-error-in-m.patch
* Fix DOS in Vmware pv scsi emulation (CVE-2017-8112 bsc#1036211)
0054-vmw_pvscsi-check-message-ring-page-.patch
- Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.9
-------------------------------------------------------------------
Thu May 4 20:14:25 UTC 2017 - brogers@suse.com

8
qemu.spec
View File

@ -180,6 +180,10 @@ Patch0047: 0047-ARM-KVM-Enable-in-kernel-timers-wit.patch
Patch0048: 0048-input-Add-trace-event-for-empty-key.patch
Patch0049: 0049-ACPI-don-t-call-acpi_pcihp_device_p.patch
Patch0050: 0050-i386-Allow-cpuid-bit-override.patch
Patch0051: 0051-input-limit-kbd-queue-depth.patch
Patch0052: 0052-audio-release-capture-buffers.patch
Patch0053: 0053-scsi-avoid-an-off-by-one-error-in-m.patch
Patch0054: 0054-vmw_pvscsi-check-message-ring-page-.patch
# Please do not add QEMU patches manually here.
# Run update_git.sh to regenerate this queue.
@ -876,6 +880,10 @@ This package provides a service file for starting and stopping KSM.
%patch0048 -p1
%patch0049 -p1
%patch0050 -p1
%patch0051 -p1
%patch0052 -p1
%patch0053 -p1
%patch0054 -p1
pushd roms/ipxe
%patch1100 -p1