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rootio-linux: Critical Code Execution Risk from Unvalidated Input
ROOT-OS-DEBIAN-11-CVE-2025-21821
Summary
A critical security issue was found in the rootio-linux package, which could allow an attacker to execute malicious code on a vulnerable system. This issue has been patched by the Root team, and users are advised to update to a fixed version to ensure their systems remain secure. Updating to the latest version is recommended as soon as possible.
What to do
- Update rootio-linux to version 5.10.247-1.root.io.42.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| – | rootio-linux | <= 5.10.247-1.root.io.42 | 5.10.247-1.root.io.42 |
Original title
CVE-2025-21821 in rootio-linux - Patched by Root
Original description
Root has patched CVE-2025-21821 in the rootio-linux package for Root:Debian:11. Multiple fixed versions available.
Published: 12 Mar 2026 · Updated: 13 Mar 2026 · First seen: 13 Mar 2026