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SUSE SLES11 Security Update : microcode_ctl (SUSE-SU-2025:03116-1)

high Nessus Plugin ID 264435

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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-2025:03116-1 advisory.

 - Intel CPU Microcode was updated to the 20250812 release (bsc#1248438)
 - CVE-2025-20109: Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel Processors may allow an authenticated user to potentially enable escalation of privilege via local access.
 - CVE-2025-22840: Sequence of processor instructions leads to unexpected behavior for some Intel Xeon 6 Scalable processors may allow an authenticated user to potentially enable escalation of privilege via local access
 - CVE-2025-22839: Insufficient granularity of access control in the OOB-MSM for some Intel Xeon 6 Scalable processors may allow a privileged user to potentially enable escalation of privilege via adjacent access.
 - CVE-2025-22889: Improper handling of overlap between protected memory ranges for some Intel Xeon 6 processor with Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
 - CVE-2025-20053: Improper buffer restrictions for some Intel Xeon Processor firmware with SGX enabled may allow a privileged user to potentially enable escalation of privilege via local access.
 - CVE-2025-26403: Out-of-bounds write in the memory subsystem for some Intel Xeon 6 processors when using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
 - CVE-2025-32086: Improperly implemented security check for standard in the DDRIO configuration for some Intel Xeon 6 Processors when using Intel SGX or Intel TDX may allow a privileged user to potentially enable escalation of privilege via local access.
 - Update for functional issues.
 - Updated Platforms:

 | Processor | Stepping | F-M-S/PI | Old Ver | New Ver | Products |:---------------|:---------|:------------|:---------|:---------|:--------- | ARL-H | A1 | 06-c5-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2) | ARL-S/HX (8P) | B0 | 06-c6-02/82 | 00000118 | 00000119 | Core Ultra Processor (Series 2) | EMR-SP | A1 | 06-cf-02/87 | 210002a9 | 210002b3 | Xeon Scalable Gen5 | GNR-AP/SP | B0 | 06-ad-01/95 | 010003a2 | 010003d0 | Xeon Scalable Gen6 | GNR-AP/SP | H0 | 06-ad-01/20 | 0a0000d1 | 0a000100 | Xeon Scalable Gen6 | ICL-D | B0 | 06-6c-01/10 | 010002d0 | 010002e0 | Xeon D-17xx, D-27xx | ICX-SP | Dx/M1 | 06-6a-06/87 | 0d000404 | 0d000410 | Xeon Scalable Gen3 | LNL | B0 | 06-bd-01/80 | 0000011f | 00000123 | Core Ultra 200 V Series Processor | MTL | C0 | 06-aa-04/e6 | 00000024 | 00000025 | Core Ultra Processor | RPL-H/P/PX 6+8 | J0 | 06-ba-02/e0 | 00004128 | 00004129 | Core Gen13 | RPL-U 2+8 | Q0 | 06-ba-03/e0 | 00004128 | 00004129 | Core Gen13 | SPR-HBM | Bx | 06-8f-08/10 | 2c0003f7 | 2c000401 | Xeon Max | SPR-SP | E4/S2 | 06-8f-07/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4 | SPR-SP | E5/S3 | 06-8f-08/87 | 2b000639 | 2b000643 | Xeon Scalable Gen4 | SRF-SP | C0 | 06-af-03/01 | 03000341 | 03000362 | Xeon 6700-Series Processors with E-Cores

 New Disclosures Updated in Prior Releases:
 All ADL, RPL, SPR, EMR, MTL, ARL Microcode patches previously released in May 2025.

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.

See Also

https://bugzilla.suse.com/1248438

http://www.nessus.org/u?8c6e14c2

https://www.suse.com/security/cve/CVE-2025-20053

https://www.suse.com/security/cve/CVE-2025-20109

https://www.suse.com/security/cve/CVE-2025-22839

https://www.suse.com/security/cve/CVE-2025-22840

https://www.suse.com/security/cve/CVE-2025-22889

https://www.suse.com/security/cve/CVE-2025-26403

https://www.suse.com/security/cve/CVE-2025-32086

Plugin Details

Severity: High

ID: 264435

File Name: suse_SU-2025-03116-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/10/2025

Updated: 9/10/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2025-20109

CVSS v3

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.9

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

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

CVSS Score Source: CVE-2025-22889

CVSS v4

Risk Factor: High

Base Score: 7.3

Threat Score: 4.2

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2025-22839

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: 9/9/2025

Vulnerability Publication Date: 8/12/2025

Reference Information

CVE: CVE-2025-20053, CVE-2025-20109, CVE-2025-22839, CVE-2025-22840, CVE-2025-22889, CVE-2025-26403, CVE-2025-32086

SuSE: SUSE-SU-2025:03116-1