CVE-2026-31591 KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish Lock all vCPUs when synchronizing and encrypting VMSAs for SNP guests, as allowing userspace to manipulate and/or run a vCPU while its state is being...

February 10, 2026—KB5075912 (OS Builds 19045.6937 and 19044.6937)

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January 17, 2026—KB5077797 (OS Build 22631.6494) Out-of-band

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April 9, 2024—KB5036910 (OS Build 25398.830)

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Force firmware code to be measured and attested by Secure Launch on Windows 10

You cannot build something great on a weak foundation – and security is no exception. Windows is filled with important security features like Hypervisor-protected code integrity HVCI and Windows Defender Credential Guard that protect users from advanced hardware and firmware attacks. For these...

[SECURITY] Fedora 19 Update: tboot-1.8.2-1.fc19

Trusted Boot tboot is an open source, pre-kernel/VMM module that uses Intel Trusted Execution Technology Intel TXT to perform a measured and verified launch of an OS kernel/VMM...

[SECURITY] Fedora 20 Update: tboot-1.8.2-1.fc20

Trusted Boot tboot is an open source, pre-kernel/VMM module that uses Intel Trusted Execution Technology Intel TXT to perform a measured and verified launch of an OS kernel/VMM...