Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save the CS register in cases of AMD Zen IF poisoning errors. The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC for poisoning consumption errors. Therefore,...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006582)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006582 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on...

PT-2025-41795

Name of the Vulnerable Software and Affected Versions AMD EPYC and EPYC Embedded series processors versions prior to BIOS updates from OEM partners AMD EPYC processors using Secure Encrypted Virtualization – Secure Nested Paging SEV-SNP affected versions not specified Description A critical issue...

CVE-2023-53438

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save CS register on AMD Zen IF Poison errors The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC is delivered for poison consumption errors. Therefore,...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the mishandling of instruction fetch unit errors in the AMD Zen architecture, which may result in failure to...

AMD EPYC 安全漏洞

AMD EPYC is an x86 architecture server microprocessor product line from AMD, known as "Xiao Long" in Chinese, which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC that stems from improper register access control, which could allow a privileged attacker to gain...

CVE-2024-50102 x86: fix user address masking non-canonical speculation issue

In the Linux kernel, the following vulnerability has been resolved: x86: fix user address masking non-canonical speculation issue It turns out that AMD has a "Meltdown Litetm" issue with non-canonical accesses in kernel space. And so using just the high bit to decide whether an access is in user...

AMD EPYC Security Vulnerability

AMD EPYC is an x86 server microprocessor product line from AMD Semiconductor, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. A security vulnerability exists in AMD EPYC™ Processors. The vulnerability can be exploited to write to the SPI flash memory to execute arbitrary cod...

AMD EPYC Security Vulnerability

AMD EPYC is a line of x86 architecture server microprocessors from AMD, known in Chinese as "Xiao Long", utilizing the Zen microarchitecture. A security vulnerability in AMD EPYC, which stems from incorrect address validation in SNP-enabled ASPs, could allow an attacker to compromise client memor...

AMD EPYC 信息泄露漏洞

AMD EPYC is an x86 server microprocessor product line from AMD, known as "Xiao Long" in Chinese, which utilizes the Zen microarchitecture. AMD EPYC has an information disclosure vulnerability that can be exploited by attackers to exploit multiple vulnerabilities in AMD processors...