focal is vulnerable to privilege escalation. The vulnerability exist in fsconfig syscall parameter that allows an attacker to cause a privilege escalation leading to a container breakout and an application crash.
git://git.launchpad.net/ubuntu-cve-tracker/tree/active/CVE-2021-4154
bugzilla.redhat.com/show_bug.cgi?id=2034514
cloud.google.com/anthos/clusters/docs/security-bulletins#gcp-2022-002
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3b0462726e7ef281c35a7a4ae33e93ee2bc9975b
security.netapp.com/advisory/ntap-20220225-0004/