CVE-2026-64388

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> smb/client: fix chown/chgrp with SMB3 POSIX Extensions<br /> <br /> Ownership (chown) and group (chgrp) modifications were being ignored when<br /> mounting with SMB3 POSIX Extensions unless CIFS_MOUNT_CIFS_ACL or<br /> CIFS_MOUNT_MODE_FROM_SID were also explicitly set.<br /> <br /> Fix this by checking for posix_extensions in cifs_setattr_nounix() when<br /> updating UID and GID, ensuring that id_mode_to_cifs_acl() is called to map<br /> and set the ownership/group information on the server.