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 Details
- CVSS 3.1 Base Score: 4.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade samba | Nov 11, 2025 | Jun 6, 2025 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 6, 2025 |
| Debian | — | Upgrade samba | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 6, 2025 |
| Suse | — | Upgrade samba-python3Upgrade samba-client-libs-32bitUpgrade samba-libsUpgrade samba-dsdb-modulesUpgrade samba-develUpgrade samba-client-libsUpgrade ldb-toolsUpgrade samba-ldb-ldapUpgrade samba-cephUpgrade samba-libs-32bitUpgrade samba-winbind-libsUpgrade libldb2-32bitUpgrade libldb2Upgrade samba-toolUpgrade samba-clientUpgrade samba-libs-python3Upgrade samba-gpupdateUpgrade samba-docUpgrade samba-dcerpcUpgrade samba-ad-dc-libsUpgrade ctdbUpgrade samba-winbind-libs-32bitUpgrade ctdb-pcp-pmdaUpgrade samba-winbindUpgrade python3-ldbUpgrade samba-ad-dcUpgrade libldb-develUpgrade samba | Jul 7, 2025 | Jun 6, 2025 |
| Ubuntu | — | Upgrade samba | Jun 11, 2025 | Jun 6, 2025 |
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