A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the mv utility of uutils coreutils during cross-device moves. The extended attribute (xattr) preservation logic uses multiple path-based system calls that perform fresh path-to-inode lookups for each operation. A local attacker with write access to the directory can exploit this race to swap files between calls, causing the destination file to receive an inconsistent mix of security xattrs, such as SELinux labels or file capabilities.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://github.com/uutils/coreutils/issues/10014 |
|
History
Wed, 22 Apr 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 22 Apr 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the mv utility of uutils coreutils during cross-device moves. The extended attribute (xattr) preservation logic uses multiple path-based system calls that perform fresh path-to-inode lookups for each operation. A local attacker with write access to the directory can exploit this race to swap files between calls, causing the destination file to receive an inconsistent mix of security xattrs, such as SELinux labels or file capabilities. | |
| Title | uutils coreutils mv Security Xattr TOCTOU Race in Cross-Device | |
| Weaknesses | CWE-367 | |
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: canonical
Published:
Updated: 2026-04-22T18:02:57.031Z
Reserved: 2026-04-02T12:58:56.087Z
Link: CVE-2026-35354
Updated: 2026-04-22T18:02:46.129Z
Status : Awaiting Analysis
Published: 2026-04-22T17:16:37.867
Modified: 2026-04-22T21:23:52.620
Link: CVE-2026-35354
No data.
OpenCVE Enrichment
No data.