openSUSE 15.6 ucode-intel Security Escalation Vulnerabilities 2025:03053-1

opensuse

September 2, 2025

An update that solves seven vulnerabilities can now be installed.

Description

This update for ucode-intel fixes the following issues:

* 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...

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Topics Covered

security advisory important escalation OpenSUSE microcode ucode-intel

Patch

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like

YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

* openSUSE Leap 15.6

zypper in -t patch openSUSE-SLE-15.6-2025-3053=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2025-3053=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2025-3053=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2025-3053=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2025-3053=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2025-3053=1

* Basesystem Module 15-SP6

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-3053=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-3053=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

zypper in -t patch...

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Package List

* openSUSE Leap 15.6 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise Micro for Rancher 5.3 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise Micro 5.3 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise Micro for Rancher 5.4 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise Micro 5.4 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise Micro 5.5 (x86_64)

* ucode-intel-20250812-150200.59.1

* Basesystem Module 15-SP6 (x86_64)

* ucode-intel-20250812-150200.59.1

* Basesystem Module 15-SP7 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)

* ucode-intel-20250812-150200.59.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)

*...

Read the Full Advisory

References

* bsc#1248438

## References:

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

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

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

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

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

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

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

* https://bugzilla.suse.com/show_bug.cgi?id=1248438

Severity

important

Lowest

Low

Medium

High

Critical

Announcement ID: SUSE-SU-2025:03053-1

Release Date: 2025-09-02T17:42:28Z

Affected Products: * Basesystem Module 15-SP6 * Basesystem Module 15-SP7 * openSUSE Leap 15.6 * SUSE Enterprise Storage 7.1 * SUSE Linux Enterprise Desktop 15 SP6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise High Performance Computing 15 SP3 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Micro 5.1 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro 5.5 * SUSE Linux Enterprise Micro for Rancher 5.2 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Real Time 15 SP6 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP3 * SUSE Linux Enterprise Server 15 SP3 LTSS * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP3 * SUSE Linux Enterprise Server for SAP Applications 15 SP4 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7 * SUSE Manager Proxy 4.3 * SUSE Manager Proxy 4.3 LTS * SUSE Manager Retail Branch Server 4.3 * SUSE Manager Retail Branch Server 4.3 LTS * SUSE Manager Server 4.3 * SUSE Manager Server 4.3 LTS

Topics Covered

security advisory important escalation OpenSUSE microcode ucode-intel

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