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Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch')
-rw-r--r--meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch b/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch
new file mode 100644
index 0000000000..5efb87ca33
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/0006-vhost-user-gpu-fix-memory-leak-in-virgl_resource_att.patch
@@ -0,0 +1,49 @@
+CVE: CVE-2021-3544
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@arm.com>
+
+From 63736af5a6571d9def93769431e0d7e38c6677bf Mon Sep 17 00:00:00 2001
+From: Li Qiang <liq3ea@163.com>
+Date: Sat, 15 May 2021 20:04:01 -0700
+Subject: [PATCH 6/7] vhost-user-gpu: fix memory leak in
+ 'virgl_resource_attach_backing' (CVE-2021-3544)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+If 'virgl_renderer_resource_attach_iov' failed, the 'res_iovs' will
+be leaked.
+
+Fixes: CVE-2021-3544
+Reported-by: Li Qiang <liq3ea@163.com>
+virtio-gpu fix: 33243031da ("virtio-gpu-3d: fix memory leak
+in resource attach backing")
+
+Signed-off-by: Li Qiang <liq3ea@163.com>
+Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
+Message-Id: <20210516030403.107723-7-liq3ea@163.com>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+---
+ contrib/vhost-user-gpu/virgl.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c
+index c669d73a1d..a16a311d80 100644
+--- a/contrib/vhost-user-gpu/virgl.c
++++ b/contrib/vhost-user-gpu/virgl.c
+@@ -287,8 +287,11 @@ virgl_resource_attach_backing(VuGpu *g,
+ return;
+ }
+
+- virgl_renderer_resource_attach_iov(att_rb.resource_id,
++ ret = virgl_renderer_resource_attach_iov(att_rb.resource_id,
+ res_iovs, att_rb.nr_entries);
++ if (ret != 0) {
++ g_free(res_iovs);
++ }
+ }
+
+ static void
+--
+2.25.1
+