SUSE-SU-2026:2072-1

CRITICAL9.9

Security update for samba

Published May 26, 2026

Modified 1 weeks ago

Fix available

Details

Description of the patch:

This update for samba fixes the following issues

CVE-2026-2340: vfs_worm does not block directory modification (bsc#1261158).
CVE-2026-3012: group policy certificate enrollment uses http: // without validation (bsc#1261159).
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).

Affected Packages(21 packages)

ctdb

SUSE Linux Enterprise High Availability Extension 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

libsamba-policy-devel

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

libsamba-policy-python3-devel

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

libsamba-policy0-python3

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba-ceph

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba-client

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba-client-libs

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Micro 5.5SUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba-client-libs-32bit

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

samba-dcerpc

SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOSSUSE Linux Enterprise High Performance Computing 15 SP5-LTSSSUSE Linux Enterprise Server 15 SP5-LTSSSUSE Linux Enterprise Server for SAP Applications 15 SP5

Fixed in:

4.17.12+git.553.4b71189e782-150500.3.39.1

References

https://bugzilla.suse.com/1261158

https://bugzilla.suse.com/1261159

https://bugzilla.suse.com/1261160

https://bugzilla.suse.com/1261161

https://bugzilla.suse.com/1261163

https://lists.suse.com/pipermail/sle-updates/2026-May/046778.html

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

https://www.suse.com/security/cve/CVE-2026-3012/

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/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20262072-1/

CVSS Analysis

CVSS v3.1

9.9

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

9.9/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Upstream

CVE-2026-2340 CVE-2026-3012 CVE-2026-3238 CVE-2026-4408 CVE-2026-4480

Ecosystems(6)

SUSE Linux Enterprise High Availability Extension 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Server 15 SP5-LTSS

Timeline

PublishedMay 26, 2026

ModifiedMay 26, 2026

SUSE-SU-2026:2072-1 | Mondoo Vulnerability Intelligence