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-rw-r--r--meta/recipes-devtools/qemu/qemu/CVE-2019-3812.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2019-3812.patch b/meta/recipes-devtools/qemu/qemu/CVE-2019-3812.patch
new file mode 100644
index 00000000000..0e11ad288c9
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2019-3812.patch
@@ -0,0 +1,39 @@
+From b664d9d003d1a98642dcfb8e6fceef6dbf3d52d8 Mon Sep 17 00:00:00 2001
+From: Gerd Hoffmann <kraxel@redhat.com>
+Date: Tue, 8 Jan 2019 11:23:01 +0100
+Subject: [PATCH] i2c-ddc: fix oob read
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Suggested-by: Michael Hanselmann <public@hansmi.ch>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+Reviewed-by: Michael Hanselmann <public@hansmi.ch>
+Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
+Message-id: 20190108102301.1957-1-kraxel@redhat.com
+
+CVE: CVE-2019-3812
+Upstream-Status: Backport
+[https://git.qemu.org/?p=qemu.git;a=commit;h=b05b267840515730dbf6753495d5b7bd8b04ad1c]
+
+Signed-off-by: Dan Tran <dantran@microsoft.com>
+---
+ hw/i2c/i2c-ddc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/hw/i2c/i2c-ddc.c b/hw/i2c/i2c-ddc.c
+index bec0c91e2d..89e659288e 100644
+--- a/hw/i2c/i2c-ddc.c
++++ b/hw/i2c/i2c-ddc.c
+@@ -247,7 +247,7 @@ static int i2c_ddc_rx(I2CSlave *i2c)
+ I2CDDCState *s = I2CDDC(i2c);
+
+ int value;
+- value = s->edid_blob[s->reg];
++ value = s->edid_blob[s->reg % sizeof(s->edid_blob)];
+ s->reg++;
+ return value;
+ }
+--
+2.22.0.vfs.1.1.57.gbaf16c8
+