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Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0001-vhost-user-gpu-fix-memory-disclosure-in-virgl_cmd_ge.patch')
-rw-r--r--meta/recipes-devtools/qemu/qemu/0001-vhost-user-gpu-fix-memory-disclosure-in-virgl_cmd_ge.patch43
1 files changed, 43 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0001-vhost-user-gpu-fix-memory-disclosure-in-virgl_cmd_ge.patch b/meta/recipes-devtools/qemu/qemu/0001-vhost-user-gpu-fix-memory-disclosure-in-virgl_cmd_ge.patch
new file mode 100644
index 0000000000..981c237292
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/0001-vhost-user-gpu-fix-memory-disclosure-in-virgl_cmd_ge.patch
@@ -0,0 +1,43 @@
+CVE: CVE-2021-3545
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From 121841b25d72d13f8cad554363138c360f1250ea Mon Sep 17 00:00:00 2001
+From: Li Qiang <liq3ea@163.com>
+Date: Sat, 15 May 2021 20:03:56 -0700
+Subject: [PATCH 1/7] vhost-user-gpu: fix memory disclosure in
+ virgl_cmd_get_capset_info (CVE-2021-3545)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Otherwise some of the 'resp' will be leaked to guest.
+
+Fixes: CVE-2021-3545
+Reported-by: Li Qiang <liq3ea@163.com>
+virtio-gpu fix: 42a8dadc74 ("virtio-gpu: fix information leak
+in getting capset info dispatch")
+
+Signed-off-by: Li Qiang <liq3ea@163.com>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-Id: <20210516030403.107723-2-liq3ea@163.com>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ contrib/vhost-user-gpu/virgl.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c
+index 9e6660c7ab..6a332d601f 100644
+--- a/contrib/vhost-user-gpu/virgl.c
++++ b/contrib/vhost-user-gpu/virgl.c
+@@ -128,6 +128,7 @@ virgl_cmd_get_capset_info(VuGpu *g,
+
+ VUGPU_FILL_CMD(info);
+
++ memset(&resp, 0, sizeof(resp));
+ if (info.capset_index == 0) {
+ resp.capset_id = VIRTIO_GPU_CAPSET_VIRGL;
+ virgl_renderer_get_cap_set(resp.capset_id,
+--
+2.25.1
+