CVE-2026-35353 — uutils coreutils mkdir Permission Exposure Race Condition with -m
The mkdir utility in uutils coreutils incorrectly applies permissions when using the -m flag by creating a directory with umask-derived permissions (typically 0755) before subse…
Published: 2026-04-22 · CVSS: 3.3 · CVSS 3.1
The mkdir utility in uutils coreutils incorrectly applies permissions when using the -m flag by creating a directory with umask-derived permissions (typically 0755) before subsequently changing them to the requested mode via a separate chmod system call. In multi-user environments, this introduces a brief window where a directory intended to be private is accessible to other users, potentially leading to unauthorized data access.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7