microcode is vulnerable to privilege escalation. Incomplete cleanup in some Intelยฎ VT-d products allows an authenticated user to obtain additional privileges via local access.
access.redhat.com/errata/RHSA-2021:2306
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1962650
lists.debian.org/debian-lts-announce/2021/07/msg00022.html
www.debian.org/security/2021/dsa-4934
www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00442.html