EUVD-2025-208555

Exposure of resource to wrong sphere in the UEFI PdaSmm module for some IntelR reference platforms may allow an information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local...

EUVD-2025-208542

Improper buffer restrictions in some UEFI firmware for some IntelR reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable data manipulation. This result may potentially occur via local access whe...

EUVD-2025-208548

Improper input validation in the UEFI FlashUcAcmSmm module for some IntelR reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable local code execution. This result may potentially occur via local...

EUVD-2025-208550

Improper input validation in the UEFI ImcErrorHandler module for some IntelR reference platforms 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-2025-22444

Exposure of resource to wrong sphere in the UEFI PdaSmm module for some IntelR reference platforms may allow an information disclosure. System software adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local...

CVE-2025-20068

Improper input validation in the UEFI ImcErrorHandler module for some IntelR reference platforms 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-2025-20064

Improper input validation in the UEFI FlashUcAcmSmm module for some IntelR reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable local code execution. This result may potentially occur via local...

CVE-2025-20064

Improper input validation in the UEFI FlashUcAcmSmm module for some IntelR reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable local code execution. This result may potentially occur via local...

CVE-2025-20027

CVE-2025-20027: Improper input validation in the UEFI WheaERST module on Intel reference platforms can allow local privilege escalation by a privileged user with high complexity. Affected items are Intel UEFI firmware components; exploitation requires local access and no user interaction. The CVS...

CVE-2025-20027

Improper input validation in the UEFI WheaERST module for some IntelR reference platforms 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 local...

CVE-2025-20027

Improper input validation in the UEFI WheaERST module for some IntelR reference platforms 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 local...

CVE-2025-20005

Improper buffer restrictions in some UEFI firmware for some IntelR reference platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable data manipulation. This result may potentially occur via local access whe...

CVE-2025-20005

CVE-2025-20005 : Improper buffer restrictions in some Intel reference-platform UEFI firmware may allow a local-privilege-escalation by a privileged system software adversary. The described attack requires a high-complexity, local attacker with no user interaction and does not rely on remote acces...

PT-2026-24494

Improper input validation in the UEFI ImcErrorHandler module for some IntelR reference platforms 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...

PT-2026-24490

Improper input validation in the UEFI firmware for some Intel Reference Platforms may allow an escalation of privilege. System software adversary with a privileged user combined with a high complexity attack may enable data manipulation. This result may potentially occur via local access when...

The vulnerability of UEFI microprogramming on ASRock motherboard based on Intel 500, 600, 700, and 800 chipsets allows a hacker to perform DMA attacks and circumvent existing security restrictions.

The vulnerability of UEFI microprogramming on ASRock motherboard based on Intel 500, 600, 700, and 800 chipsets is related to a violation of data protection mechanisms. Exploiting this vulnerability allows an attacker to perform DMA attacks and circumvent existing security restrictions...

The vulnerability of UEFI microprogramming on GIGABYTE motherboards based on Intel and AMD chipsets allows a hacker to perform DMA attacks and circumvent existing security restrictions.

The vulnerability of UEFI microprogramming on GIGABYTE motherboards based on Intel and AMD chipsets is related to a violation of data protection mechanisms. Exploiting this vulnerability allows an attacker to perform DMA attacks and circumvent existing security restrictions...

The vulnerability of UEFI microprogramming on MSI motherboards based on Intel 600 and 700 chipsets allows a hacker to perform DMA attacks and circumvent existing security restrictions.

The vulnerability of UEFI microprogramming on MSI motherboards based on Intel 600 and 700 chipsets is related to a violation of data protection mechanisms. Exploiting this vulnerability allows an attacker to perform DMA attacks and circumvent existing security restrictions...

varstored: TOCTOU issues with mapped guest memory

ISSUE DESCRIPTION varstored is a component of the Xapi toolstack handling UEFI Variables for a VM. It has a communication path with OVMF inside the VM involving mapping a buffer prepared by OVMF. Within varstored, there were insufficient compiler barriers, creating TOCTOU issues with data in the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004028)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004028 advisory. An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivarssdt ACPI variable could be used by...