The vrend_decode_reset function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (NULL pointer dereference and QEMU process crash) by destroying context 0 (zero).
The product dereferences a pointer that it expects to be valid but is NULL.
Link | Tags |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1426170 | patch issue tracking |
https://security.gentoo.org/glsa/201707-06 | vendor advisory |
https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html | patch mailing list |
http://www.securityfocus.com/bid/96439 | third party advisory vdb entry |
http://www.openwall.com/lists/oss-security/2017/02/23/21 | patch mailing list |
https://cgit.freedesktop.org/virglrenderer/commit/?id=0a5dff15912207b83018485f83e067474e818bab | patch |