kernel-rt is vulnerable to out-of-bound (OOB) reads. The vulnerability exists in the vc_do_resize function in drivers/tty/vt/vt.c allowing an attacker to perform a UAF read.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.html
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/index
access.redhat.com/errata/RHSA-2020:4609
access.redhat.com/security/updates/classification/#moderate
bugzilla.kernel.org/show_bug.cgi?id=206359
lists.debian.org/debian-lts-announce/2020/06/msg00011.html
lists.debian.org/debian-lts-announce/2020/06/msg00012.html
lists.debian.org/debian-lts-announce/2020/06/msg00013.html
www.debian.org/security/2020/dsa-4698