SUSE SLES11 Security Update : microcode_ctl (SUSE-SU-2026:4019-1)

high Nessus Plugin ID 348440

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Synopsis

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

Description

The remote SUSE Linux SLES11 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4019-1 advisory.

- Intel CPU Microcode was updated to the 20260812 release (bsc#1274785)
- Removed MTL/06-aa-04/c0 due to functional issues observed when loading the MCU in some platforms.
- Intel CPU Microcode was updated to the 20260811 release (bsc#1274785)
- Security updates for INTEL-SA-01379 / CVE-2025-31936
- Security updates for INTEL-SA-01404 / CVE-2025-31938
- Security updates for INTEL-SA-01423 / CVE-2026-20917
- Security updates for INTEL-SA-01428 / CVE-2025-35973
- Security updates for INTEL-SA-01435 / CVE-2026-20716
- Security updates for INTEL-SA-01441 / CVE-2026-20760
- Security updates for INTEL-SA-01442 / CVE-2026-20713 / CVE-2026-20901
- Security updates for INTEL-SA-01443 / CVE-2026-20707
- Update for functional issues.

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 microcode_ctl package.

Plugin Details

Severity: High

ID: 348440

File Name: suse_SU-2026-4019-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/21/2026

Updated: 9/21/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-20716

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

CVSS v4

Risk Factor: High

Base Score: 7.2

Threat Score: 4.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:microcode_ctl

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: 9/7/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2025-31936, CVE-2025-31938, CVE-2025-35973, CVE-2026-20707, CVE-2026-20713, CVE-2026-20716, CVE-2026-20760, CVE-2026-20901, CVE-2026-20917

SuSE: SUSE-SU-2026:4019-1

Detections

Analytics