CVE-2025-40909
Public on 2025-05-28
Modified on 2025-07-31
Description
Thread creation while a directory handle is open does a fchdir, affecting other threads (race condition)
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | perl | 2025-06-09 | ALAS-2025-1981 | Fixed |
| Amazon Linux 2 - Core | perl | 2025-06-12 | ALAS2-2025-2879 | Fixed |
| Amazon Linux 2023 | perl | 2025-06-10 | ALAS2023-2025-1007 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 4.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | CVSSv3 | 5.9 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |