Provide references for CVE-2021-3656.
Where can I find more information about CVE-2021-3656?
References are available at: https://www.openwall.com/lists/oss-security/2021/08/16/1, https://git.kernel.org/pub/scm/virt/kvm/kvm.git/commit/?id=c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc, https://github.com/torvalds/linux/commit/c7dfa4009965a9b2d7b329ee970eb8da0d32f0bc, https://bugzilla.redhat.com/show_bug.cgi?id=1983988.