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...

Xen Debugging Exception Handling Denial of Service Vulnerability

Xen is a virtualization technology for the Linux kernel that allows multiple operating systems to run simultaneously. A security vulnerability exists in Xen's handling of debugging exceptions, which allows the guest user to trigger a denial-of-service attack...