CVE-2026-35351: uutils coreutils mv Silent Ownership Loss in Cross-Device Operations
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-35351?
CVE-2026-35351 is classified as a medium severity vulnerability due to the potential for ownership loss during cross-device file operations.
How do I fix CVE-2026-35351?
To fix CVE-2026-35351, ensure you are using the latest version of uutils coreutils where the issue has been addressed.
What are the implications of CVE-2026-35351?
The implications of CVE-2026-35351 include improper file ownership, which can lead to security and permission issues after moving files between different filesystems.
Which versions of uutils coreutils are affected by CVE-2026-35351?
CVE-2026-35351 affects all versions of uutils coreutils that use the mv command without the necessary ownership handling for cross-device operations.
What commands are impacted by CVE-2026-35351?
The mv command within uutils coreutils is primarily impacted by CVE-2026-35351 when moving files across different filesystem boundaries.