Original release notes
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.
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Tracked CVEs
- CVE-2026-43284
- CVE-2026-43500
