CVE-2025-0620

Samba: smbd doesn't pick up group membership changes when re-authenticating an expired smb session

CVSS 4.9 MEDIUMEPSS 0.6%CWE-552

A flaw was found in Samba. The smbd service daemon does not pick up group membership changes when re-authenticating an expired SMB session. This issue can expose file shares until clients disconnect and then connect again.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Productos afectados

sambaRed Hat · Red Hat Enterprise Linux 10 Red Hat · Red Hat Enterprise Linux 6 Red Hat · Red Hat Enterprise Linux 7 Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 9 Red Hat · Red Hat OpenShift Container Platform 4

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://access.redhat.com/security/cve/CVE-2025-0620 https://bugzilla.redhat.com/show_bug.cgi?id=2370453 https://www.samba.org/samba/security/CVE-2025-0620.html http://www.openwall.com/lists/oss-security/2025/06/03/8