CVE catalog

CVE-2025-0620

samba: CVE-2025-0620

Severity: Medium · CVSS 6.8CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Published: Jan 1, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.75% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	samba	sid	`2:4.25.1+dfsg-1`	fixed
Debian	samba	forky	`2:4.25.1+dfsg-1`	fixed
Debian	samba	trixie	`2:4.22.11+dfsg-0+deb13u1`	fixed
Debian	samba	trixie-security	`2:4.22.10+dfsg-0+deb13u2`	fixed
Debian	samba	bookworm	`2:4.17.12+dfsg-0+deb12u4`	not affected
Debian	samba	bookworm-security	`2:4.17.12+dfsg-0+deb12u4`	not affected
Cpe	samba	Not reported	`4.22.2`	fixed
Alpine	samba	3.22	`4.21.6-r0`	fixed
Alpine	samba	3.23	`4.21.6-r0`	fixed
Alpine	samba	3.24	`4.21.6-r0`	fixed
Opensuse	samba	tumbleweed	`4.22.2+git.396.c752843dcf4-1.1`	fixed
Suse	samba	linux enterprise module for basesystem 15 sp7	`4.21.6+git.402.80f493f530f-150700.3.3.1`	fixed
Suse	samba	linux enterprise high availability extension 15 sp7	`4.21.6+git.402.80f493f530f-150700.3.3.1`	fixed
Ubuntu	samba	25.04	`2:4.20.4+dfsg-1ubuntu1`	vulnerable
Ubuntu	samba	25.04	`2:4.20.4+dfsg-1ubuntu2`	vulnerable
Ubuntu	samba	25.04	`2:4.20.4+dfsg-1ubuntu3`	vulnerable
Ubuntu	samba	25.04	`2:4.20.4+dfsg-1ubuntu5`	vulnerable
Ubuntu	samba	25.04	`2:4.21.4+dfsg-1ubuntu2`	vulnerable
Ubuntu	samba	25.04	`2:4.21.4+dfsg-1ubuntu3`	vulnerable
Ubuntu	samba	25.04	`2:4.21.4+dfsg-1ubuntu3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	samba	source	sid	`2:4.22.2+dfsg-1`	not yet assigned	Not reported	[1107248]
Debian	samba	source	forky	`2:4.22.2+dfsg-1`	not yet assigned	Not reported	[1107248]
Debian	samba	source	trixie	`2:4.22.2+dfsg-1`	not yet assigned	Not reported	[1107248]
Debian	samba	source	bookworm	`Not affected`	unimportant	Not reported	[1107248]
Cpe	samba	cpe	Not reported	`4.22.2`	Not reported	NVD-CVE-2025-0620	Not reported
Alpine	samba	apk	3.22	`4.21.6-r0`	Not reported	ALPINE-CVE-2025-0620	Not reported
Alpine	samba	apk	3.23	`4.21.6-r0`	Not reported	ALPINE-CVE-2025-0620	Not reported
Alpine	samba	apk	3.24	`4.21.6-r0`	Not reported	ALPINE-CVE-2025-0620	Not reported
Opensuse	samba	rpm	tumbleweed	`4.22.2+git.396.c752843dcf4-1.1`	Not reported	OPENSUSE-SU-2025:15296-1	Not reported
Suse	samba	rpm	linux enterprise module for basesystem 15 sp7	`4.21.6+git.402.80f493f530f-150700.3.3.1`	Not reported	SUSE-SU-2025:02230-1	Not reported
Suse	samba	rpm	linux enterprise high availability extension 15 sp7	`4.21.6+git.402.80f493f530f-150700.3.3.1`	Not reported	SUSE-SU-2025:02230-1	Not reported
Ubuntu	samba	deb	25.04	`2:4.21.4+dfsg-1ubuntu3.1`	Not reported	USN-7564-1	Not reported

[Debian bug #1107248]

OpenFactory catalog packages

[openSUSE Tumbleweed]

[ctdb]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[ctdb-pcp-pmda]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[ldb-tools]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[libldb2]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[libldb2-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[libldb-devel]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[python3-ldb]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[python3-ldb-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-ad-dc]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-ad-dc-libs]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-ad-dc-libs-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-ceph]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-client]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-client-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-client-lang]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · noarch · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-client-libs]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-client-libs-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-dcerpc]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-devel]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed
[samba-devel-32bit]Unknown
Source package: [samba]
Details (1)
- 4.24.5+git.481.dba78dbdea-1.1 · x86_64 · tumbleweed
  Unknown · Fixed: 4.22.2+git.396.c752843dcf4-1.1
  Version impact unknown
  dsa · samba · opensuse · tumbleweed

Next results

Observed: Oct 27, 2026, 6:39:08 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]