2026.1 IPU, UEFI Reference Firmware Advisory

Summary: A potential security vulnerability in UEFI for some Intel Reference Platforms may allow escalation of privilege. Intel is releasing firmware updates to mitigate these potential vulnerability. Vulnerability Details: CVEID: CVE-2025-20096 Description: Improper input validation in the UEFI...

Astra Linux – Vulnerability in grub2

GRUB2 does not call the fini functions upon exit, resulting in the Debian/Ubuntu’s peimage GRUB2 module leaving hooks in the UEFI system table after exit. This leads to a use-after-free condition and may potentially allow for bypassing secure boot...

microcode_ctl bug fix and enhancement update

An update is available for microcodectl. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The microcodectl packages provide microcode updates for Intel and AMD...

RLSA-2026:2776 Moderate: edk2 security update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 For more details about the security issues, includi...

CVE-2025-8860

A flaw was found in QEMU in the uefi-vars virtual device. When the guest writes to register UEFIVARSREGBUFFERSIZE, the .write callback uefivarswrite is invoked. The function allocates a heap buffer without zeroing the memory, leaving the buffer filled with residual data from prior allocations. Wh...

CVE-2025-8860

CVE-2025-8860 affects QEMU by a flaw in the uefi-vars device: after writing to UEFI_VARS_REG_BUFFER_SIZE, a heap buffer is allocated without zeroing, leaving residual data that can be read later from UEFI_VARS_REG_PIO_BUFFER_TRANSFER, causing information disclosure. Oracle Linux advisories ELSA-2...

CVE-2025-8860 Qemu-kvm: uefi-vars: information disclosure vulnerability in uefi_vars_write callback

A flaw was found in QEMU in the uefi-vars virtual device. When the guest writes to register UEFIVARSREGBUFFERSIZE, the .write callback uefivarswrite is invoked. The function allocates a heap buffer without zeroing the memory, leaving the buffer filled with residual data from prior allocations. Wh...

CVE-2025-8860 Qemu-kvm: uefi-vars: information disclosure vulnerability in uefi_vars_write callback

A flaw was found in QEMU in the uefi-vars virtual device. When the guest writes to register UEFIVARSREGBUFFERSIZE, the .write callback uefivarswrite is invoked. The function allocates a heap buffer without zeroing the memory, leaving the buffer filled with residual data from prior allocations. Wh...

Moderate: Red Hat Security Advisory: edk2 security update

An update for edk2 is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...

Moderate: edk2 security update

EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fixes: openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap CVE-2025-9230 For more details about the security issues, includi...

RHEL 9 : edk2 (RHSA-2026:2771)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:2771 advisory. EDK Embedded Development Kit is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU a...

SUSE CVE-2023-34440

Improper input validation in UEFI firmware for some IntelR Processors may allow a privileged user to potentially enable escalation of privilege via local access...

SUSE CVE-2023-43758

Improper input validation in UEFI firmware for some IntelR processors may allow a privileged user to potentially enable escalation of privilege via local access...

SUSE CVE-2024-28127

Improper input validation in UEFI firmware for some IntelR Processors may allow a privileged user to potentially enable escalation of privilege via local access...

SUSE CVE-2024-29214

Improper input validation in UEFI firmware CseVariableStorageSmm for some IntelR Processors may allow a privileged user to potentially enable escalation of privilege via local access...

SUSE SLES15 Security Update : ovmf (SUSE-SU-2026:0213-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0213-1 advisory. - CVE-2022-36765: Fixed integer overflow to buffer overflow via local network vulnerability bsc1218680. Tenable has extracted the preceding...

SUSE SLES15 Security Update : ovmf (SUSE-SU-2026:0212-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0212-1 advisory. - CVE-2022-36765: Fixed integer overflow to buffer overflow via local network vulnerability bsc1218680. Tenable has extracted the preceding...

SUSE SLES12 Security Update : ovmf (SUSE-SU-2026:0121-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:0121-1 advisory. - CVE-2022-36765: Fixed integer overflow to buffer overflow via local network vulnerability bsc1218680. Tenable has extracted the preceding description...

Insyde InsydeH2O 安全漏洞

Insyde InsydeH2O is a new EFI/UEFI specification from Insyde, China. It is intended to replace the traditional BIOS Basic Input/Output System. A security vulnerability exists in Insyde InsydeH2O, which stems from a buffer overflow that can be caused by untrusted user-mode applications when readin...

CVE-2026-21265

Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes...