Upstream information

CVE-2026-0438 at MITRE

Description

A System Management Mode (SMM) handler could perform a callout to code located in non-SMM/untrusted memory. A highly privileged attacker could, with active user interaction and under high complexity and present preconditions, trigger execution of attacker-controlled code in SMM, potentially compromising the system's confidentiality, integrity, and availability.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail SUSE
Base Score 6
Vector CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack Vector Physical
Attack Complexity High
Privileges Required High
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
CVSS v4 Scores
CVSS detail CNA (AMD)
Base Score 5.4
Vector CVSS:4.0/AV:P/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Physical
Attack Complexity High
Attack Requirements Present
Privileges Required High
User Interaction Active
Vulnerable System Confidentiality Impact High
Vulnerable System Integrity Impact High
Vulnerable System Availability Impact High
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1268254 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Desktop 15 SP7 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP7 ucode-amd Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP7 ucode-amd Affected
SUSE Linux Enterprise Micro 5.3 kernel-firmware Affected
SUSE Linux Enterprise Micro 5.4 kernel-firmware Affected
SUSE Linux Enterprise Micro 5.5 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP7 ucode-amd Affected
SUSE Linux Enterprise Server 15 SP7 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP7 ucode-amd Affected
SUSE Linux Enterprise Server 16.0 ucode-amd Affected
SUSE Linux Enterprise Server 16.1 ucode-amd Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 ucode-amd Affected
SUSE Linux Enterprise Server for SAP applications 16.0 ucode-amd Affected
SUSE Linux Enterprise Server for SAP applications 16.1 ucode-amd Affected
SUSE Linux Micro 6.0 kernel-firmware Affected
SUSE Linux Micro 6.1 kernel-firmware Affected
SUSE Linux Micro 6.2 ucode-amd Affected
openSUSE Leap 16.0 ucode-amd Affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP5 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP5 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP6 kernel-firmware Affected
SUSE Linux Enterprise Server 11 SP4 LTSS EXTREME CORE microcode_ctl Affected
SUSE Linux Enterprise Server 12 SP5 kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP5-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP5-LTSS Extended Security kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP4-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP5 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP5-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP6 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP6-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP6-LTSS ucode-amd Affected
SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP6 ucode-amd Affected
SUSE Manager Proxy 4.3 kernel-firmware Affected
SUSE Manager Proxy LTS 4.3 kernel-firmware Affected
SUSE Manager Retail Branch Server 4.3 kernel-firmware Affected
SUSE Manager Retail Branch Server LTS 4.3 kernel-firmware Affected
SUSE Manager Server 4.3 kernel-firmware Affected
SUSE Manager Server LTS 4.3 kernel-firmware Affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 kernel-firmware Affected
SUSE CaaS Platform 3.0 kernel-firmware Affected
SUSE CaaS Platform 4.0 kernel-firmware Affected
SUSE Enterprise Storage 6 kernel-firmware Affected
SUSE Enterprise Storage 7 kernel-firmware Affected
SUSE Enterprise Storage 7.1 kernel-firmware Affected
SUSE Linux Enterprise Desktop 11 SP3 microcode_ctl Affected
SUSE Linux Enterprise Desktop 11 SP4 microcode_ctl Affected
SUSE Linux Enterprise Desktop 12 SP2 kernel-firmware Affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-firmware Affected
SUSE Linux Enterprise Desktop 12 SP4 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP1 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP5 kernel-firmware Affected
SUSE Linux Enterprise Desktop 15 SP6 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP1 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS kernel-firmware Affected
SUSE Linux Enterprise High Performance Computing 15 SP6 kernel-firmware Affected
SUSE Linux Enterprise Micro 5.0 kernel-firmware Affected
SUSE Linux Enterprise Micro 5.1 kernel-firmware Affected
SUSE Linux Enterprise Micro 5.2 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise Point of Sale 11 SP3 microcode_ctl Affected
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT kernel-firmware Affected
SUSE Linux Enterprise Real Time 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise Real Time 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise Real Time 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise Server 11 SP3 microcode_ctl Affected
SUSE Linux Enterprise Server 11 SP3-LTSS microcode_ctl Affected
SUSE Linux Enterprise Server 11 SP4 microcode_ctl Affected
SUSE Linux Enterprise Server 11 SP4-LTSS microcode_ctl Affected
SUSE Linux Enterprise Server 12 SP2 kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP2-BCL kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP2-ESPOS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP2-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP3 kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP3-BCL kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP3-ESPOS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP3-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP4 kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP4-ESPOS kernel-firmware Affected
SUSE Linux Enterprise Server 12 SP4-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP1 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP1-BCL kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP1-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP2-BCL kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP2-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP3-BCL kernel-firmware Affected
SUSE Linux Enterprise Server 15 SP3-LTSS kernel-firmware Affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP4 kernel-firmware Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP5 kernel-firmware Affected
SUSE Manager Proxy 4.0 kernel-firmware Affected
SUSE Manager Proxy 4.1 kernel-firmware Affected
SUSE Manager Proxy 4.2 kernel-firmware Affected
SUSE Manager Retail Branch Server 4.0 kernel-firmware Affected
SUSE Manager Retail Branch Server 4.1 kernel-firmware Affected
SUSE Manager Retail Branch Server 4.2 kernel-firmware Affected
SUSE Manager Server 4.0 kernel-firmware Affected
SUSE Manager Server 4.1 kernel-firmware Affected
SUSE Manager Server 4.2 kernel-firmware Affected
SUSE OpenStack Cloud 7 kernel-firmware Affected
SUSE OpenStack Cloud 8 kernel-firmware Affected
SUSE OpenStack Cloud 9 kernel-firmware Affected
SUSE OpenStack Cloud Crowbar 8 kernel-firmware Affected
SUSE OpenStack Cloud Crowbar 9 kernel-firmware Affected
openSUSE Leap 15.3 kernel-firmware Affected
openSUSE Leap 15.4 kernel-firmware Affected
openSUSE Leap 15.5 kernel-firmware Affected
openSUSE Leap 15.6 kernel-firmware Affected
openSUSE Leap 15.6 ucode-amd Affected
openSUSE Leap Micro 5.2 kernel-firmware Affected
openSUSE Leap Micro 5.3 kernel-firmware Affected
openSUSE Leap Micro 5.4 kernel-firmware Affected
openSUSE Leap Micro 5.5 kernel-firmware Affected


SUSE Timeline for this CVE

CVE page created: Fri May 15 06:00:34 2026
CVE page last modified: Mon Jun 15 15:20:46 2026