4.9Medium

CVE-2025-0620Samba: smbd doesn't pick up group membership changes when re-authenticating an expired smb session

samba; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 6; Red Hat Red Hat Enterprise Linux 7 Published: (1 year ago)

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.

Weakness (CWE): CWE-552

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 all versions
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 all versions
Red Hat Red Hat OpenShift Container Platform 4 —
samba samba 4.21.0 – < 4.21.6
— samba 4.21.0 – < 4.21.6

References and patches

CPE matches (NVD) (2)

  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.21.0 < 4.21.6
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* ≥ 4.22.0 < 4.22.2