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.
History

Fri, 06 Jun 2025 21:45:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Fri, 06 Jun 2025 14:45:00 +0000

Type Values Removed Values Added
References

Fri, 06 Jun 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 06 Jun 2025 13:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Samba: smbd doesn't pick up group membership changes when re-authenticating an expired smb session
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-552
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2025-06-06T13:10:07.110Z

Updated: 2025-06-06T13:41:25.261Z

Reserved: 2025-01-21T15:54:28.429Z

Link: CVE-2025-0620

cve-icon Vulnrichment

Updated: 2025-06-06T13:11:50.526Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-06-06T14:15:21.247

Modified: 2025-06-09T12:15:47.880

Link: CVE-2025-0620

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-06-03T00:00:00Z

Links: CVE-2025-0620 - Bugzilla