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Ubuntu 25.04 : Samba vulnerability (USN-7564-1)

medium Nessus Plugin ID 238162

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 25.04 host has packages installed that are affected by a vulnerability as referenced in the USN-7564-1 advisory.

 It was discovered that Samba incorrectly handled certain group membership changes when using Kerberos authentication. A remote user could possibly use this issue to continue to access resources after being removed by an administrator.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-7564-1

Plugin Details

Severity: Medium

ID: 238162

File Name: ubuntu_USN-7564-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/11/2025

Updated: 6/11/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:H/Au:M/C:C/I:C/A:C

CVSS Score Source: CVE-2025-0620

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.8

Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libldb-dev, p-cpe:/a:canonical:ubuntu_linux:samba-vfs-modules, p-cpe:/a:canonical:ubuntu_linux:libtevent0t64, p-cpe:/a:canonical:ubuntu_linux:tdb-tools, p-cpe:/a:canonical:ubuntu_linux:python3-tdb, p-cpe:/a:canonical:ubuntu_linux:libtdb-dev, p-cpe:/a:canonical:ubuntu_linux:libpam-winbind, p-cpe:/a:canonical:ubuntu_linux:samba-common, p-cpe:/a:canonical:ubuntu_linux:samba-vfs-glusterfs, p-cpe:/a:canonical:ubuntu_linux:libtevent-dev, p-cpe:/a:canonical:ubuntu_linux:samba-dev, p-cpe:/a:canonical:ubuntu_linux:libwbclient0, p-cpe:/a:canonical:ubuntu_linux:samba-common-bin, p-cpe:/a:canonical:ubuntu_linux:samba-ad-provision, p-cpe:/a:canonical:ubuntu_linux:libwbclient-dev, p-cpe:/a:canonical:ubuntu_linux:winbind, p-cpe:/a:canonical:ubuntu_linux:samba-dsdb-modules, p-cpe:/a:canonical:ubuntu_linux:python3-samba, p-cpe:/a:canonical:ubuntu_linux:registry-tools, p-cpe:/a:canonical:ubuntu_linux:libtalloc2, p-cpe:/a:canonical:ubuntu_linux:samba-testsuite, p-cpe:/a:canonical:ubuntu_linux:smbclient, p-cpe:/a:canonical:ubuntu_linux:libsmbclient0, p-cpe:/a:canonical:ubuntu_linux:python3-talloc, p-cpe:/a:canonical:ubuntu_linux:ldb-tools, p-cpe:/a:canonical:ubuntu_linux:ctdb, p-cpe:/a:canonical:ubuntu_linux:samba-vfs-ceph, p-cpe:/a:canonical:ubuntu_linux:samba-libs, p-cpe:/a:canonical:ubuntu_linux:samba-ad-dc, cpe:/o:canonical:ubuntu_linux:25.04, p-cpe:/a:canonical:ubuntu_linux:libnss-winbind, p-cpe:/a:canonical:ubuntu_linux:samba-vfs-modules-extra, p-cpe:/a:canonical:ubuntu_linux:libtalloc-dev, p-cpe:/a:canonical:ubuntu_linux:python3-ldb, p-cpe:/a:canonical:ubuntu_linux:libtdb1, p-cpe:/a:canonical:ubuntu_linux:samba, p-cpe:/a:canonical:ubuntu_linux:libsmbclient-dev, p-cpe:/a:canonical:ubuntu_linux:libldb2

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/10/2025

Vulnerability Publication Date: 6/3/2025

Reference Information

CVE: CVE-2025-0620

IAVA: 2025-A-0397

USN: 7564-1