{"id":"CVE-2025-0620","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.","modified":"2026-04-02T12:30:33.344584Z","published":"2025-06-06T14:15:21.247Z","related":["SUSE-SU-2025:02230-1","openSUSE-SU-2025:15296-1"],"references":[{"type":"ADVISORY","url":"https://www.samba.org/samba/security/CVE-2025-0620.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2025/06/03/8"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-0620"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2370453"}],"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"}]}}],"versions":["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"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}