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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 0000000000..0e11ad288c
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/CVE-2019-3812.patch
@@ -0,0 +1,39 @@
1From b664d9d003d1a98642dcfb8e6fceef6dbf3d52d8 Mon Sep 17 00:00:00 2001
2From: Gerd Hoffmann <kraxel@redhat.com>
3Date: Tue, 8 Jan 2019 11:23:01 +0100
4Subject: [PATCH] i2c-ddc: fix oob read
5MIME-Version: 1.0
6Content-Type: text/plain; charset=UTF-8
7Content-Transfer-Encoding: 8bit
8
9Suggested-by: Michael Hanselmann <public@hansmi.ch>
10Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
11Reviewed-by: Michael Hanselmann <public@hansmi.ch>
12Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
13Message-id: 20190108102301.1957-1-kraxel@redhat.com
14
15CVE: CVE-2019-3812
16Upstream-Status: Backport
17[https://git.qemu.org/?p=qemu.git;a=commit;h=b05b267840515730dbf6753495d5b7bd8b04ad1c]
18
19Signed-off-by: Dan Tran <dantran@microsoft.com>
20---
21 hw/i2c/i2c-ddc.c | 2 +-
22 1 file changed, 1 insertion(+), 1 deletion(-)
23
24diff --git a/hw/i2c/i2c-ddc.c b/hw/i2c/i2c-ddc.c
25index bec0c91e2d..89e659288e 100644
26--- a/hw/i2c/i2c-ddc.c
27+++ b/hw/i2c/i2c-ddc.c
28@@ -247,7 +247,7 @@ static int i2c_ddc_rx(I2CSlave *i2c)
29 I2CDDCState *s = I2CDDC(i2c);
30
31 int value;
32- value = s->edid_blob[s->reg];
33+ value = s->edid_blob[s->reg % sizeof(s->edid_blob)];
34 s->reg++;
35 return value;
36 }
37--
382.22.0.vfs.1.1.57.gbaf16c8
39