CVE-2025-0620

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Source
https://cve.org/CVERecord?id=CVE-2025-0620
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0620.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-0620
Downstream
Related
Published
2025-06-06T14:15:21.247Z
Modified
2026-04-02T12:30:33.344584Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/samba-team/samba

Affected ranges

Type
GIT
Repo
https://github.com/samba-team/samba
Events
Introduced
1c7d4b5b388ae2647732ed54834d5547a8c1357a
Fixed
b901f39a1d0f221eb2fa7872323eedc7e71e9ead
Introduced
7b3228b88eea776d092be2338fc70135f2e128f0
Fixed
64a23714e6d89c349795dd5b07a094e53f3d4a52
Database specific 
{
    "versions": [
        {
            "introduced": "4.21.0"
        },
        {
            "fixed": "4.21.6"
        },
        {
            "introduced": "4.22.0"
        },
        {
            "fixed": "4.22.2"
        }
    ]
}

Affected versions

samba-4.*
samba-4.21.0
samba-4.21.1
samba-4.21.2
samba-4.21.3
samba-4.21.4
samba-4.21.5
samba-4.22.0
samba-4.22.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-0620.json"