Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/efistub: Calls boot services in mixed mode on the firmware’s stack Normally, the EFI stub calls into EFI boot services using the stack that was active when the stub was entered. According to the UEFI specification, this stack...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RISCV: Kernel mappings of the EFI page table must be synchronized before switching to the EFI page table. The EFI page table is initially created as a copy of the kernel page table. When VMAPSTACK is enabled, kernel stacks are...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: EFI: Fixed NULL dereference in the init error path. In cases where runtime services are not supported or have been disabled, the runtime services’ workqueue will never be allocated. Do not attempt to destroy the workqueue...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Maps EFI-reserved memory as encrypted for SEV. Some drivers require memory that is marked as EFI boot services data. To prevent this memory from being reused by the kernel after ExitBootServices, efimemreserve is use...

SUSE CVE-2026-64183

In the Linux kernel, the following vulnerability has been resolved: efi: Allocate runtime workqueue before ACPI init Since commit 5894cf571e14 "acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers" ACPI PRM calls are delegated to a workqueue which runs in a kernel thread, making it easier to...

CVE-2026-64183

In the Linux kernel, the following vulnerability has been resolved: efi: Allocate runtime workqueue before ACPI init Since commit 5894cf571e14 "acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers" ACPI PRM calls are delegated to a workqueue which runs in a kernel thread, making it easier to...

EUVD-2026-45868

In the Linux kernel, the following vulnerability has been resolved: efi: Allocate runtime workqueue before ACPI init Since commit 5894cf571e14 "acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers" ACPI PRM calls are delegated to a workqueue which runs in a kernel thread, making it easier to...

CVE-2026-64183 efi: Allocate runtime workqueue before ACPI init

In the Linux kernel, the following vulnerability has been resolved: efi: Allocate runtime workqueue before ACPI init Since commit 5894cf571e14 "acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers" ACPI PRM calls are delegated to a workqueue which runs in a kernel thread, making it easier to...

CVE-2026-64183

In the Linux kernel, the following vulnerability has been resolved: efi: Allocate runtime workqueue before ACPI init Since commit 5894cf571e14 "acpi/prmt: Use EFI runtime sandbox to invoke PRM handlers" ACPI PRM calls are delegated to a workqueue which runs in a kernel thread, making it easier to...

RHSA-2026:39297 Red Hat Security Advisory: edk2 security, bug fix, and enhancement update

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RHSA-2026:36721 Red Hat Security Advisory: edk2 security, bug fix, and enhancement update

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Astra Linux – Vulnerability in edk2

EDK2 contains a vulnerability in the BIOS, where an attacker may cause “Exposure of Sensitive Information to an Unauthorized Actor” through local access. Successful exploitation of this vulnerability could lead to possible information disclosure or escalation of privileges, thereby affecting...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: EFI: Fix for reserving unaccepted memory tables The reserveunaccepted function incorrectly calculates the size of the memblock reservation for the unaccepted memory tables. It aligns the size of the tables, but fails to take into...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: Do not dump the entire memory region. The current logic in cperprintfwerr does not check whether the length of the error record is sufficient to handle the offset. In a faulty firmware, if the offset is greater than the...

The vulnerability of the Windows UEFI boot interface of Windows operating systems allows a hacker to bypass existing security mechanisms.

The vulnerability of the Windows UEFI boot interface in operating systems involves a violation of data protection mechanisms. Exploiting this vulnerability can allow attackers to bypass existing security measures...

CVE-2026-45656

Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally...

CVE-2026-45656 UEFI Secure Boot Security Feature Bypass Vulnerability

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Microsoft Windows UEFI 处理逻辑错误漏洞

Microsoft Windows is an operating system used by personal devices by the American company Microsoft. There are security vulnerabilities in Microsoft Windows UEFI. Attackers can exploit these vulnerabilities to bypass certain features. The following products and versions are affected: Windows 11...

PT-2026-54574

Уязвимость защитного механизма UEFI Secure Boot операционных систем Windows связана с зависимостью от компонента, который не подлежит обновлению. Эксплуатация уязвимости может позволить нарушителю обойти ограничения безопасности и выполнить произвольный код...

The vulnerability of the OpenCapsule function in UEFI capsule file parsers and 7-Zip archivers allows a hacker to exploit the protected information.

The vulnerability of the OpenCapsule function in UEFI capsule file parsers and 7-Zip archivers is related to the use of uninitialized resources. Exploiting this vulnerability can allow a malicious actor to disclose protected information...