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.
Metrics
Affected Vendors & Products
References
History
Wed, 22 Apr 2026 18:15:00 +0000
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ssvc
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Wed, 22 Apr 2026 16:30:00 +0000
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| Description | 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. | |
| Title | uutils coreutils mkdir Permission Exposure Race Condition with -m | |
| Weaknesses | CWE-367 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2026-04-22T17:49:45.259Z
Reserved: 2026-04-02T12:58:56.087Z
Link: CVE-2026-35353
Updated: 2026-04-22T17:40:52.211Z
Status : Awaiting Analysis
Published: 2026-04-22T17:16:37.723
Modified: 2026-04-22T21:23:52.620
Link: CVE-2026-35353
No data.
OpenCVE Enrichment
Updated: 2026-04-22T18:15:15Z