Dev Tools · 2h ago
Secure Boot Keys Expired in June – Here's How to Check Yours
Microsoft's Secure Boot signing keys for Linux shim loaders expired in June 2026, but firmware doesn't check expiry dates, so systems still boot. Users can audit their Secure Boot state with mokutil commands and update keys via fwupdmgr or package managers. This is not an emergency but routine maintenance for fleet administrators.
Meridian48 take
The article correctly downplays panic, but enterprises should still verify their provisioning scripts handle key renewal to avoid future boot failures.
secure-bootlinux-security