linuxptp is vulnerable to denial of service. The vulnerability exists due to a missing length check when forwarding a PTP message between ports.
access.redhat.com/errata/RHSA-2021:2658
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1966240
lists.debian.org/debian-lts-announce/2021/07/msg00025.html
lists.fedoraproject.org/archives/list/[email protected]/message/RHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7/
lists.fedoraproject.org/archives/list/[email protected]/message/VUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ/
www.debian.org/security/2021/dsa-4938