Threats Tagged 'ubuntu-cve-2026-31591'
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Threats Tagged 'ubuntu-cve-2026-31591'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish Lock all… (CVE-2026-31591)CVE-2026-31591 0 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 synchronized would at best corrupt vCPU state, and at worst crash the host kernel. Opportunistically assert that vcpu->mutex is held when synchronizing its VMSA (the SEV-ES path already locks vCPUs). Join the discussion | GCVE Database | 04/24/2026, 15:16:00 UTC Added: 07/31/2026, 15:38:38 UTC |
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