rust-coreutils: A vulnerability in the chmod utility of uutils coreutils allows users to bypass the --preserve-root safety mechanism
CVE-2026-35338 is fixed in rust-coreutils on 1 platform by DEBIAN-CVE-2026-35338 (version 0.6.0-1), released April 22, 2026. It is not reported as exploited. Patch Radar priority: High.
A vulnerability in the chmod utility of uutils coreutils allows users to bypass the --preserve-root safety mechanism. The implementation only validates if the target path is literally / and does not canonicalize the path. An attacker or accidental user can use path variants such as /../ or symbolic links to execute destructive recursive operations (e.g., chmod -R 000) on the entire root filesystem, leading to system-wide permission loss and potential complete system breakdown.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| rust-coreutils · Debian 14 | 0.6.0-1 | DEBIAN-CVE-2026-35338 | Apr 22, 2026 |
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