1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-3.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-3.patch
new file mode 100644
index 0000000000..85abe8ff32
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-15469-3.patch
@@ -0,0 +1,49 @@
+From 24202d2b561c3b4c48bd28383c8c34b4ac66c2bf Mon Sep 17 00:00:00 2001
+From: Prasad J Pandit <pjp@fedoraproject.org>
+Date: Tue, 11 Aug 2020 17:11:27 +0530
+Subject: [PATCH] vfio: add quirk device write method
+
+Add vfio quirk device mmio write method to avoid NULL pointer
+dereference issue.
+
+Reported-by: Lei Sun <slei.casper@gmail.com>
+Reviewed-by: Li Qiang <liq3ea@gmail.com>
+Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
+Acked-by: Alex Williamson <alex.williamson@redhat.com>
+Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
+Message-Id: <20200811114133.672647-4-ppandit@redhat.com>
+Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
+
+CVE: CVE-2020-15469
+Upstream-Status: Backport [import from ubuntu https://git.launchpad.net/ubuntu/+source/qemu/tree/debian/patches/CVE-2020-15469-3.patch?h=ubuntu/focal-security Upstream commit https://github.com/qemu/qemu/commit/24202d2b561c3b4c48bd28383c8c34b4ac66c2bf]
+Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
+---
+ hw/vfio/pci-quirks.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/hw/vfio/pci-quirks.c
++++ b/hw/vfio/pci-quirks.c
+@@ -13,6 +13,7 @@
+ #include "qemu/osdep.h"
+ #include "exec/memop.h"
+ #include "qemu/units.h"
++#include "qemu/log.h"
+ #include "qemu/error-report.h"
+ #include "qemu/main-loop.h"
+ #include "qemu/module.h"
+@@ -278,8 +279,15 @@ static uint64_t vfio_ati_3c3_quirk_read(
+     return data;
+ }
+ 
++static void vfio_ati_3c3_quirk_write(void *opaque, hwaddr addr,
++                                        uint64_t data, unsigned size)
++{
++    qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid access\n", __func__);
++}
++
+ static const MemoryRegionOps vfio_ati_3c3_quirk = {
+     .read = vfio_ati_3c3_quirk_read,
++    .write = vfio_ati_3c3_quirk_write,
+     .endianness = DEVICE_LITTLE_ENDIAN,
+ };
+