kernel is vulnerable to denial of service (DoS). The vulnerability exists through a null-pointer dereference in hci_uart_set_flow_control.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
access.redhat.com/errata/RHSA-2019:3309
access.redhat.com/errata/RHSA-2019:3517
access.redhat.com/errata/RHSA-2020:1016
access.redhat.com/errata/RHSA-2020:1070
access.redhat.com/security/cve/CVE-2019-10207
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1656432
bugzilla.redhat.com/show_bug.cgi?id=1694143
bugzilla.redhat.com/show_bug.cgi?id=1712197
bugzilla.redhat.com/show_bug.cgi?id=1719067
bugzilla.redhat.com/show_bug.cgi?id=1721034
bugzilla.redhat.com/show_bug.cgi?id=1733874
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10207
security.netapp.com/advisory/ntap-20200103-0001/