CVE-2025-38506

CVE-2025-38506 : In Linux, KVM can reschedule CPU while setting per-page memory attributes for SEV-SNP guests with very large memory (1TB+), causing host CPU soft lockups during kvm_vm_set_mem_attributes(). The issue arises while looping over guest memory attributes and invoking cond_resched() to...

CVE-2025-38506 KVM: Allow CPU to reschedule while setting per-page memory attributes

In the Linux kernel, the following vulnerability has been resolved: KVM: Allow CPU to reschedule while setting per-page memory attributes When running an SEV-SNP guest with a sufficiently large amount of memory 1TB+, the host can experience CPU soft lockups when running an operation in...