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    CVE-2026-31591: Linux KVM AMD SEV-SNP vCPU Locking Race Can Crash Hosts

    CVE-2026-31591: Linux KVM SEV-SNP vCPU Locking Flaw Can Corrupt Guest State or Crash the Host CVE-2026-31591 is a Linux kernel vulnerability in KVM’s AMD SEV-SNP launch path. The issue affects the way KVM synchronizes Virtual Machine Save Areas, or VMSAs, when finalizing the launch of an SEV-SNP...
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    • kernel vulnerability linux kvm sev snp security windows tech news
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    • Forum: Security Alerts
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    CVE-2026-31590 and AMD SEV KVM: Warning-to-DoS risk for confidential VMs

    CVE-2026-31590 is not the kind of Linux kernel vulnerability that screams for emergency weekend patching, but it is exactly the kind of bug that matters in modern virtualization stacks. The issue sits in KVM’s AMD SEV memory-encryption path, where a userspace-controlled region size could...
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    • amd sev confidential computing cve 2026-31590 linux kvm
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    • Forum: Security Alerts
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