RockyLinux 8 : microcode_ctl (RLSA-2026:65147)

The remote RockyLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RLSA-2026:65147 advisory. kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling CVE-2025-35973 kernel: microcodectl: Intel Xeon 6...

kernel: microcode_ctl: Intel Xeon 6 Processors: Privilege escalation via improper memory range handling in SMM

A flaw was found in IntelR XeonR 6 processors when using IntelR TDX within System Management Mode SMM. Improper handling of overlap between protected memory ranges may allow a local attacker with privileged user access to escalate privileges. This vulnerability could lead to high impact on...

Important: Red Hat Security Advisory: microcode_ctl security, bug fix, and enhancement update

An update for microcodectl is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

ALSA-2026:65147 Important: microcode_ctl security, bug fix, and enhancement update

The microcodectl packages provide microcode updates for Intel and AMD processors. Security Fixes: kernel: hypervisor: Intel Processors: Privilege escalation in Ring 0 via improper value handling CVE-2025-35973 kernel: microcodectl: Intel Xeon 6 Processors: Privilege escalation via improper memory...

MGASA-2026-0374 Updated microcode packages fix security vulnerabilities

A potential security vulnerability for some Intel® Xeon® 6 processor with Intel® Trust Domain Extensions Intel® TDX may allow escalation of privilege. CVE-2025-31936 A potential security vulnerability in some Intel® Xeon® 6 processor with Intel® Trust Domain Extensions Intel® TDX may allow...

Updated microcode packages fix security vulnerabilities

A potential security vulnerability for some Intel® Xeon® 6 processor with Intel® Trust Domain Extensions Intel® TDX may allow escalation of privilege. CVE-2025-31936 A potential security vulnerability in some Intel® Xeon® 6 processor with Intel® Trust Domain Extensions Intel® TDX may allow...

HPESBHF05120 rev.1 - HPE StoreEasy Servers Using Certain Intel Processors, INTEL-SA-01442, Intel Xeon Processor Firmware Advisory, Local Escalation of Privilege

Potential Security Impact: Local: Escalation of Privilege SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE StoreEasy 1470 Performance - Prior to BIOS v3.0008-20-2026 HPE StoreEasy 1470 Storage - Prior to BIOS v3.0008-20-2026 HPE StoreEasy 1570 Performance - Prior to BIOS...

HPESBHF05143 rev.1 - HPE StoreEasy Servers Using Certain Intel Processors, INTEL-SA-01439, Intel Xeon processor with Alias Checking Trusted Module Advisory, Local Escalation of Privilege

Potential Security Impact: Local: Escalation of Privilege SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE StoreEasy 1470 Performance - Prior to BIOS v3.0008-20-2026 HPE StoreEasy 1470 Storage - Prior to BIOS v3.0008-20-2026 HPE StoreEasy 1570 Performance - Prior to BIOS...

OPENSUSE-SU-2026:21736-1 Security update for ucode-intel

This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20260812 release bsc1274785 - 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 bsc1274785 -...

HPESBHF05118 rev.1 - HPE ProLiant DL/XL, Apollo, Synergy and Edgeline Servers Using Certain Intel Processors, INTEL-SA-01443, Intel 3rd Gen Intel Xeon Scalable Processor Firmware Advisory, Local Denial of Service

Potential Security Impact: Local: Denial of Service DoS SUPPORTED SOFTWARE VERSIONS: ONLY impacted versions are listed. HPE ProLiant DL110 Gen10 Plus Telco server - Prior to BIOS v2.7008-19-2026 HPE ProLiant DL360 Gen10 Plus server - Prior to BIOS v2.7008-19-2026 HPE ProLiant DL380 Gen10 Plus...

Important: microcode_ctl

Issue Overview: Improper handling of overlap between protected memory ranges for some IntelR XeonR 6 processors when using IntelR TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. Th...

Important: microcode_ctl

Issue Overview: Improper handling of overlap between protected memory ranges for some IntelR XeonR 6 processors when using IntelR TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. Th...

Amazon Linux 2 : microcode_ctl, --advisory ALAS2-2026-3872 (ALAS-2026-3872)

The version of microcodectl installed on the remote host is prior to 2.1-47. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3872 advisory. Improper handling of overlap between protected memory ranges for some IntelR XeonR 6 processors when using IntelR TDX...

SUSE CVE-2026-20901

Improper input validation for some IntelR XeonR processors within firmware may allow an escalation of privilege. Startup code and smm adversary with a privileged user combined with a high complexity attack may enable data alteration. This result may potentially occur via local access when attack...

TencentOS Server 4: microcode_ctl (TSSA-2026:0851)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0851 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

OESA-2026-3408 microcode_ctl security update

This is a tool to transform and deploy microcode update for x86 CPUs. Security Fixes: Improper handling of overlap between protected memory ranges for some IntelR XeonR 6 processors when using IntelR TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combine...

SUSE CVE-2025-31938

Insufficient granularity of access control in some subsystem for some IntelR XeonR 6 Scalable processors with IntelR TDX may allow an information disclosure. Authorized adversary with an authenticated user combined with a high complexity attack may enable data exposure. This result may potentiall...

SUSE CVE-2026-20713

Always-incorrect control flow implementation in some firmware for some IntelR XeonR processors may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via...

CVE-2025-31936

A flaw was found in IntelR XeonR 6 processors when using IntelR TDX within System Management Mode SMM. Improper handling of overlap between protected memory ranges may allow a local attacker with privileged user access to escalate privileges. This vulnerability could lead to high impact on...

SUSE CVE-2025-31936

Improper handling of overlap between protected memory ranges for some IntelR XeonR 6 processors when using IntelR TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may...