Provide references for CVE-2021-4158.
Where can I find more information about CVE-2021-4158?
References are available at: https://gitlab.com/qemu-project/qemu/-/issues/770, https://bugzilla.redhat.com/show_bug.cgi?id=2035002, https://access.redhat.com/security/cve/CVE-2021-4158, https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html, https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e.