aboutsummaryrefslogtreecommitdiff
path: root/contrib/vhost-user-gpu
diff options
context:
space:
mode:
authorLi Qiang <liq3ea@163.com>2021-05-15 20:03:56 -0700
committerGerd Hoffmann <kraxel@redhat.com>2021-05-27 11:55:59 +0200
commit121841b25d72d13f8cad554363138c360f1250ea (patch)
treeca28956ce3df2f98d1a834b8bcbe7b0847ef7000 /contrib/vhost-user-gpu
parent2ab2dad01f6dc3667c0d53d2b1ba46b511031207 (diff)
downloadqemu-121841b25d72d13f8cad554363138c360f1250ea.zip
qemu-121841b25d72d13f8cad554363138c360f1250ea.tar.gz
qemu-121841b25d72d13f8cad554363138c360f1250ea.tar.bz2
vhost-user-gpu: fix memory disclosure in virgl_cmd_get_capset_info (CVE-2021-3545)
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>
Diffstat (limited to 'contrib/vhost-user-gpu')
-rw-r--r--contrib/vhost-user-gpu/virgl.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c
index 9e6660c..6a332d6 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,