Mar 22, 2025 · Information Security

How HaiGuang’s Self‑Developed Security Tech Neutralizes CVE‑2024‑56161 in AMD‑Like CPUs

The article analyzes CVE‑2024‑56161, a microcode verification flaw in AMD Zen CPUs, and explains how Chinese chip maker HaiGuang’s independently designed secure‑boot and key‑management mechanisms effectively block the vulnerability while providing broader native protection against many x86 and ARM bugs.

CPU securityCVE-2024-56161HaiGuang

0 likes · 5 min read

How HaiGuang’s Self‑Developed Security Tech Neutralizes CVE‑2024‑56161 in AMD‑Like CPUs

21CTO

Jun 17, 2022 · Information Security

Can Apple’s M1 Chip’s Pointer Authentication Be Bypassed? The PacMan Attack Explained

MIT researchers have uncovered an unpatchable hardware flaw in Apple’s M1 chip’s Pointer Authentication Code, demonstrating a speculative‑execution‑based PacMan attack that can bypass the chip’s last line of defense and even compromise the kernel.

Apple M1MITSpeculative Execution

0 likes · 5 min read

Can Apple’s M1 Chip’s Pointer Authentication Be Bypassed? The PacMan Attack Explained