UBUNTU-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,...

AMD EPYC Security Vulnerability

AMD EPYC is a line of x86 architecture server microprocessors from AMD Semiconductor, known in Chinese as "霄龙", which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC Generation 3 and 4 that allows a privileged attacker to prevent the delivery of debugging exception...

AMD EPYC Security Vulnerability

AMD EPYC is an x86 architecture server microprocessor product line from AMD, known as "Xiao Long" in Chinese, utilizing the Zen microarchitecture. The AMD EPYC suffers from a security vulnerability that stems from insufficient validation of the DRAM address in the System Management Unit SMU, whic...

AMD EPYC 安全漏洞

AMD EPYC is an x86 architecture server microprocessor product line from AMD Semiconductor, known in Chinese as Xiaolong, which utilizes the Zen microarchitecture. A security vulnerability exists in AMD EPYC, which originated in a specific microarchitecture environment, allowing an attacker to...

CVE-2021-46778

Execution unit scheduler contention may lead to a side channel vulnerability found on AMD CPU microarchitectures codenamed “Zen 1”, “Zen 2” and “Zen 3” that use simultaneous multithreading SMT. By measuring the contention level on scheduler queues an attacker may potentially leak sensitive...