Provide references for CVE-2020-27777.
Where can I find more information about CVE-2020-27777?
References are available at: https://bugzilla.redhat.com/show_bug.cgi?id=1900844, https://www.openwall.com/lists/oss-security/2020/10/09/1, https://www.openwall.com/lists/oss-security/2020/11/23/2, https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?h=next&id=bd59380c5ba4147dcbaad3e582b55ccfd120b764.