uutils coreutils CVE-2026-35351

EUVD-2026-24984 MEDIUM

Improper Preservation of Permissions (CWE-281)

2026-04-22 canonical

Information Disclosure Coreutils

4.2

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Apr 23, 2026 - 07:04 vuln.today

DescriptionNVD

The mv utility in uutils coreutils fails to preserve file ownership during moves across different filesystem boundaries. The utility falls back to a copy-and-delete routine that creates the destination file using the caller's UID/GID rather than the source's metadata. This flaw breaks backups and migrations, causing files moved by a privileged user (e.g., root) to become root-owned unexpectedly, which can lead to information disclosure or restricted access for the intended owners.

AnalysisAI

The mv utility in uutils coreutils fails to preserve file ownership when moving files across filesystem boundaries, causing moved files to be reassigned to the caller's UID/GID instead of retaining the source file's ownership metadata. When invoked by privileged users (such as root), this results in unexpected ownership changes that can lead to information disclosure or access restrictions for legitimate file owners. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-35351 vulnerability details – vuln.today

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