Firejail allows --chroot when seccomp is not supported, which might allow local users to gain privileges.
{ "binaries": [ { "binary_version": "0.9.38-1", "binary_name": "firejail" }, { "binary_version": "0.9.38-1", "binary_name": "firejail-dbgsym" } ], "ubuntu_priority": "medium", "availability": "No subscription required" }