1 files changed, 37 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-14415.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-14415.patch
new file mode 100644
index 0000000000..dca2f90a49
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-14415.patch
@@ -0,0 +1,37 @@
+From 7a4ede0047a8613b0e3b72c9d351038f013dd357 Mon Sep 17 00:00:00 2001
+From: Gerd Hoffmann <kraxel@redhat.com>
+Date: Mon, 20 Jan 2020 11:18:04 +0100
+Subject: [PATCH] audio/oss: fix buffer pos calculation
+MIME-Version: 1.0
+Content-Type: text/plain; charset=utf8
+Content-Transfer-Encoding: 8bit
+
+Fixes: 3ba4066d085f ("ossaudio: port to the new audio backend api")
+Reported-by: ziming zhang <ezrakiez@gmail.com>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+Message-Id: <20200120101804.29578-1-kraxel@redhat.com>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
+
+Upstream-Status: Backport [https://git.qemu.org/?p=qemu.git;a=commit;h=7a4ede0047a8613b0e3b72c9d351038f013dd357]
+CVE: CVE-2020-14415
+Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
+---
+ audio/ossaudio.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/audio/ossaudio.c b/audio/ossaudio.c
+index c43faee..9456491 100644
+--- a/audio/ossaudio.c
++++ b/audio/ossaudio.c
+@@ -420,7 +420,7 @@ static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len)
+             size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul);
+             memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy);
+ 
+-            hw->pos_emul = (hw->pos_emul + to_copy) % hw->pos_emul;
++            hw->pos_emul = (hw->pos_emul + to_copy) % hw->size_emul;
+             buf += to_copy;
+             len -= to_copy;
+         }
+-- 
+1.8.3.1
+