The modern style negotiation in Network Block Device (nbd-server) 2.9.22 through 3.3 allows remote attackers to cause a denial of service (root process termination) by (1) closing the connection during negotiation or (2) specifying a name for a non-existent export.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1:3.7-1", "binary_name": "nbd-client" }, { "binary_version": "1:3.7-1", "binary_name": "nbd-client-udeb" }, { "binary_version": "1:3.7-1", "binary_name": "nbd-server" } ] }