Provide references for CVE-2018-7542.
Where can I find more information about CVE-2018-7542?
References are available at: https://xenbits.xen.org/xsa/advisory-256.html, https://security.gentoo.org/glsa/201810-06, http://www.securitytracker.com/id/1040776, https://www.debian.org/security/2018/dsa-4131.