Commit 63736af5 authored by Li Qiang's avatar Li Qiang Committed by Gerd Hoffmann
Browse files

vhost-user-gpu: fix memory leak in 'virgl_resource_attach_backing' (CVE-2021-3544)



If 'virgl_renderer_resource_attach_iov' failed, the 'res_iovs' will
be leaked.

Fixes: CVE-2021-3544
Reported-by: default avatarLi Qiang <liq3ea@163.com>
virtio-gpu fix: 33243031

 ("virtio-gpu-3d: fix memory leak
in resource attach backing")
Signed-off-by: default avatarLi Qiang <liq3ea@163.com>
Reviewed-by: Marc-André Lureau's avatarMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210516030403.107723-7-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann's avatarGerd Hoffmann <kraxel@redhat.com>
parent f6091d86
......@@ -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
......
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