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SUSE SLES15 Security Update : samba (SUSE-SU-2026:2108-1)

critical Nessus Plugin ID 318208

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2108-1 advisory.

 This update for samba fixes the following issues

 - CVE-2026-2340: vfs_worm does not block directory modification (bsc#1261158).
 - CVE-2026-3238: unauthenticated udp packet crashes AD DC nbt server (bsc#1261160).
 - CVE-2026-4408: Remote Code Execution in SAMR (bsc#1261163).
 - CVE-2026-4480: Unauthenticated Remote Code Execution (bsc#1261161).

 Non security issues:

 - Fix pthreadpool_tevent race conditions accessing both pthreadpool_tevent.jobs list and pthreadpool_tevent.glue_list (bsc#1252963)

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

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

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1252963

https://bugzilla.suse.com/1261158

https://bugzilla.suse.com/1261160

https://bugzilla.suse.com/1261161

https://bugzilla.suse.com/1261163

https://lists.suse.com/pipermail/sle-updates/2026-May/046856.html

https://www.suse.com/security/cve/CVE-2026-2340

https://www.suse.com/security/cve/CVE-2026-3238

https://www.suse.com/security/cve/CVE-2026-4408

https://www.suse.com/security/cve/CVE-2026-4480

Plugin Details

Severity: Critical

ID: 318208

File Name: suse_SU-2026-2108-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/2/2026

Updated: 6/2/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-4480

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:novell:suse_linux:samba-ceph, p-cpe:/a:novell:suse_linux:libsamba-policy0-python3, p-cpe:/a:novell:suse_linux:samba, p-cpe:/a:novell:suse_linux:samba-devel-32bit, p-cpe:/a:novell:suse_linux:samba-ad-dc-libs-32bit, p-cpe:/a:novell:suse_linux:samba-winbind-libs, p-cpe:/a:novell:suse_linux:samba-client-libs, p-cpe:/a:novell:suse_linux:samba-winbind-libs-32bit, p-cpe:/a:novell:suse_linux:libsamba-policy-python3-devel, p-cpe:/a:novell:suse_linux:samba-libs, p-cpe:/a:novell:suse_linux:samba-winbind, p-cpe:/a:novell:suse_linux:samba-gpupdate, p-cpe:/a:novell:suse_linux:samba-tool, p-cpe:/a:novell:suse_linux:samba-client-32bit, p-cpe:/a:novell:suse_linux:samba-client, p-cpe:/a:novell:suse_linux:samba-python3, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:samba-ldb-ldap, p-cpe:/a:novell:suse_linux:libsamba-policy-devel, p-cpe:/a:novell:suse_linux:samba-libs-32bit, p-cpe:/a:novell:suse_linux:samba-libs-python3, p-cpe:/a:novell:suse_linux:samba-dsdb-modules, p-cpe:/a:novell:suse_linux:ctdb, p-cpe:/a:novell:suse_linux:samba-client-libs-32bit, p-cpe:/a:novell:suse_linux:samba-ad-dc-libs, p-cpe:/a:novell:suse_linux:samba-devel

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-2340, CVE-2026-3238, CVE-2026-4408, CVE-2026-4480

IAVA: 2026-A-0510

SuSE: SUSE-SU-2026:2108-1