AMD has released mitigation and firmware updates to address a high-severity vulnerability that can be exploited to load malicious CPU microcode on unpatched devices. The security flaw (CVE-2024-56161) ...

AMD and Google's Security Team have disclosed a major microcode vulnerability affecting all AMD EPYC processors built on the Zen 1 through Zen 4 architectures. That means EPYC 7001 (Naples), 7002 ...

When AMD finally issued patches for its critical microcode security hole on Monday, it said that the glitch 'could lead to the loss of Secure Encrypted Virtualization protection.' AMD on Monday issued ...

AMD has identified a security flaw, "EntrySign," affecting Zen 1 to Zen 5 CPUs, allowing attackers kernel-level access by bypassing microcode signature verification. A fix has been issued via the ...

AMD TLBI Erratum #1718 was worked around in CPU microcode for addressing a defect in certain Zen CPUs where the Translation Lookaside Buffer Invalidate Instruction use could lead to to stale ...

In a nutshell: Google researchers recently disclosed a stealthy security flaw dubbed "EntrySign" that allowed malicious code execution through unsigned microcode patches on AMD processors from Zen 1 ...

What just happened? AMD has confirmed a security vulnerability in some of its processors, which was inadvertently revealed through a beta BIOS update from Asus. The flaw, described as a "microcode ...

The Google Bug Hunters blog has a detailed description of how a vulnerability in AMD's microcode-patching functionality was discovered and exploited; the authors have also released a set of tools to ...