Image mode for RHEL

Stories

Red Hat releases RHEL 10.3 with sealed OS images and an AI diagnostics server

Sealed images announced as generally available; documentation still marks sealing as Technology Preview

Red Hat published Red Hat Enterprise Linux 10.3 on November 11, 2026. The release turns the operating system into a signed artifact: sealed images verify a cryptographic digest from firmware through every file in the OS image, and a tampered file is not flagged and served. The kernel returns an I/O error, and the file is simply unreadable.

Updated 1 hour ago