Security Advisory

CVE-2026-35338

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-04-22 16:07:31
Last updated 2026-04-24 03:55:21
Assigner canonical
CVSS score 7.3
State PUBLISHED

Description

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.