gnu: qemu: Fix CVE-2017-5525, CVE-2017-5526.

* gnu/packages/qemu.scm (qemu)[source]: Add patches.
* gnu/packages/patches/qemu-CVE-2017-5525.patch,
gnu/packages/patches/qemu-CVE-2017-5526.patch: New files.
* gnu/local.mk (dist_patch_DATA): Register them.

1 files changed, 55 insertions, 0 deletions

diff --git a/gnu/packages/patches/qemu-CVE-2017-5525.patch b/gnu/packages/patches/qemu-CVE-2017-5525.patch
new file mode 100644
index 0000000000..d0c0c82a4a
--- /dev/null
+++ b/gnu/packages/patches/qemu-CVE-2017-5525.patch
@@ -0,0 +1,55 @@
+From 12351a91da97b414eec8cdb09f1d9f41e535a401 Mon Sep 17 00:00:00 2001
+From: Li Qiang <liqiang6-s@360.cn>
+Date: Wed, 14 Dec 2016 18:30:21 -0800
+Subject: [PATCH] audio: ac97: add exit function
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+http://git.qemu.org/?p=qemu.git;a=patch;h=12351a91da97b414eec8cdb09f1d9f41e535a401
+this patch is from qemu-git
+
+Currently the ac97 device emulation doesn't have a exit function,
+hot unplug this device will leak some memory. Add a exit function to
+avoid this.
+
+Signed-off-by: Li Qiang <liqiang6-s@360.cn>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-id: 58520052.4825ed0a.27a71.6cae@mx.google.com
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ hw/audio/ac97.c |   11 +++++++++++
+ 1 files changed, 11 insertions(+), 0 deletions(-)
+
+diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
+index cbd959e..c306575 100644
+--- a/hw/audio/ac97.c
++++ b/hw/audio/ac97.c
+@@ -1387,6 +1387,16 @@ static void ac97_realize(PCIDevice *dev, Error **errp)
+     ac97_on_reset (&s->dev.qdev);
+ }
+ 
++static void ac97_exit(PCIDevice *dev)
++{
++    AC97LinkState *s = DO_UPCAST(AC97LinkState, dev, dev);
++
++    AUD_close_in(&s->card, s->voice_pi);
++    AUD_close_out(&s->card, s->voice_po);
++    AUD_close_in(&s->card, s->voice_mc);
++    AUD_remove_card(&s->card);
++}
++
+ static int ac97_init (PCIBus *bus)
+ {
+     pci_create_simple (bus, -1, "AC97");
+@@ -1404,6 +1414,7 @@ static void ac97_class_init (ObjectClass *klass, void *data)
+     PCIDeviceClass *k = PCI_DEVICE_CLASS (klass);
+ 
+     k->realize = ac97_realize;
++    k->exit = ac97_exit;
+     k->vendor_id = PCI_VENDOR_ID_INTEL;
+     k->device_id = PCI_DEVICE_ID_INTEL_82801AA_5;
+     k->revision = 0x01;
+-- 
+1.7.0.4
+