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-rw-r--r--meta/recipes-devtools/qemu/qemu/0002-vhost-user-gpu-fix-resource-leak-in-vg_resource_crea.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0002-vhost-user-gpu-fix-resource-leak-in-vg_resource_crea.patch b/meta/recipes-devtools/qemu/qemu/0002-vhost-user-gpu-fix-resource-leak-in-vg_resource_crea.patch
new file mode 100644
index 0000000000..a9aee47e39
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/0002-vhost-user-gpu-fix-resource-leak-in-vg_resource_crea.patch
@@ -0,0 +1,41 @@
+CVE: CVE-2021-3544
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From 86dd8fac2acc366930a5dc08d3fb1b1e816f4e1e Mon Sep 17 00:00:00 2001
+From: Li Qiang <liq3ea@163.com>
+Date: Sat, 15 May 2021 20:03:57 -0700
+Subject: [PATCH 2/7] vhost-user-gpu: fix resource leak in
+ 'vg_resource_create_2d' (CVE-2021-3544)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Call 'vugbm_buffer_destroy' in error path to avoid resource leak.
+
+Fixes: CVE-2021-3544
+Reported-by: Li Qiang <liq3ea@163.com>
+Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
+Signed-off-by: Li Qiang <liq3ea@163.com>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-Id: <20210516030403.107723-3-liq3ea@163.com>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ contrib/vhost-user-gpu/vhost-user-gpu.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-gpu/vhost-user-gpu.c
+index f73f292c9f..b5e153d0d6 100644
+--- a/contrib/vhost-user-gpu/vhost-user-gpu.c
++++ b/contrib/vhost-user-gpu/vhost-user-gpu.c
+@@ -349,6 +349,7 @@ vg_resource_create_2d(VuGpu *g,
+ g_critical("%s: resource creation failed %d %d %d",
+ __func__, c2d.resource_id, c2d.width, c2d.height);
+ g_free(res);
++ vugbm_buffer_destroy(&res->buffer);
+ cmd->error = VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY;
+ return;
+ }
+--
+2.25.1
+