Provide references for CVE-2021-27379.
Where can I find more information about CVE-2021-27379?
References are available at: http://xenbits.xen.org/xsa/advisory-366.html, https://xenbits.xen.org/xsa/advisory-366.html, http://www.openwall.com/lists/oss-security/2021/02/23/1, https://www.debian.org/security/2021/dsa-4888.