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New StackWarp Hardware Flaw Breaks AMD SEV-SNP Protections on Zen 1–5 CPUs



January 19, 2026 at 05:01PM

A team of academics from the CISPA Helmholtz Center for Information Security in Germany has disclosed the details of a new hardware vulnerability affecting AMD processors. The security flaw, codenamed StackWarp, can allow bad actors with privileged control over a host server to run malicious code within confidential virtual machines (CVMs), undermining the integrity guarantees provided by AMD

from The Hacker News https://ift.tt/ikp3Sej

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