Provide references for CVE-2021-4148.
Where can I find more information about CVE-2021-4148?
References are available at: https://bugzilla.redhat.com/show_bug.cgi?id=2026487, https://lkml.org/lkml/2021/9/12/323, https://lkml.org/lkml/2021/9/17/1037.