Memory leak in the vrend_renderer_context_create_internal function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (host memory consumption) by repeatedly creating a decode context.
www.openwall.com/lists/oss-security/2017/01/24/2
www.openwall.com/lists/oss-security/2017/01/25/4
www.securityfocus.com/bid/95784
cgit.freedesktop.org/virglrenderer/commit/?id=747a293ff6055203e529f083896b823e22523fe7
lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
security.gentoo.org/glsa/201707-06