Riskcovery

CVE-2025-0620

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

State
Published
Severity
4.9 Medium
Published
Jun 6, 2025
Updated
Aug 31, 2026
Reserved
Jan 21, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.14.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:Nredhat

Weaknesses

  • CWE-552 Files or Directories Accessible to External Parties

Affected Products

ProductVersions
samba
  • 4.21.0 to before 4.21.6Affected
Red Hat Enterprise Linux 10Red Hat
    Red Hat Enterprise Linux 6Red Hat
      Red Hat Enterprise Linux 6Red Hat
        Red Hat Enterprise Linux 7Red Hat
          Red Hat Enterprise Linux 8Red Hat
            Red Hat Enterprise Linux 9Red Hat
              Red Hat OpenShift Container Platform 4Red Hat
                Red Hat OpenShift Container Platform 4Red Hat

                  References

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