Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.
access.redhat.com/errata/RHSA-2019:2125
edk2-docs.gitbooks.io/security-advisory/content/authvariable-timestamp-zeroing-on-append_write.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03912en_us