CVE-2026-64388

Public on 2026-07-25
Modified on 2026-11-05
Description
In the Linux kernel, the following vulnerability has been resolved:

smb/client: fix chown/chgrp with SMB3 POSIX Extensions
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
4.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core kernel Not Affected
Amazon Linux 2 - Kernel-5.10 Extra kernel No Fix Planned
Amazon Linux 2 - Kernel-5.15 Extra kernel No Fix Planned
Amazon Linux 2 - Kernel-5.4 Extra kernel No Fix Planned
Amazon Linux 2023 kernel No Fix Planned
Amazon Linux 2023 kernel6.12 2026-11-09 ALAS2023-2026-3402 Fixed
Amazon Linux 2023 kernel6.18 No Fix Planned

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N