#virtualization-security
#virtualization-security

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Flipping one bit leaves AMD CPUs open to VM vuln

StackWarp lets hypervisor-side attackers manipulate stack pointers in AMD SEV-SNP guests via an SMT microarchitecture flaw, exposing secrets, enabling key recovery and privilege escalation.

Information security

fromTheregister

4 months ago

VMSCAPE Spectre vulnerability leaks cloud secrets

A new Spectre-based transient execution vulnerability, VMSCAPE (CVE-2025-40300), enables guest VMs to leak hypervisor memory across virtualization boundaries on affected CPUs.

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#virtualization-security#virtualization-security

Flipping one bit leaves AMD CPUs open to VM vuln

VMSCAPE Spectre vulnerability leaks cloud secrets

#virtualization-security
#virtualization-security