CVE-2025-0620

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

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Severity

Moderate

Red Hat Product Security

4.9

CVSS 3.1

Review impact separately from score.

Published · June 3, 2024

Updated · August 31, 2026

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.9
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CWE-552 · Files or Directories Accessible to External Parties