umbrelOS 1.7.3 is an important security update that fixes the DirtyFrag (CVE-2026-43284 and CVE-2026-43500) security vulnerabilities recently discovered in the Linux kernel.
It also includes improved storage reliability on Raspberry Pi 4.
See what's new in umbrelOS 1.7.
Join the Umbrel Community Discord to share your feedback on this update and engage with other users.
Tracked CVEs
- CVE-2026-43284
- CVE-2026-43500
