CVE-2021-46978 KVM: nVMX: Always make an attempt to map eVMCS after migration

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always make an attempt to map eVMCS after migration When enlightened VMCS is in use and nested state is migrated with vmxgetnestedstate/vmxsetnestedstate KVM can't map evmcs page right away: evmcs gpa is not 'struct...

CVE-2021-46978

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always make an attempt to map eVMCS after migration When enlightened VMCS is in use and nested state is migrated with vmxgetnestedstate/vmxsetnestedstate KVM can't map evmcs page right away: evmcs gpa is not 'struct...

CVE-2021-46978

CVE-2021-46978 : Linux kernel KVM nVMX fix for mapping eVMCS after migration. When enlightened VMCS is used and nested state is migrated via vmx_get_nested_state()/vmx_set_nested_state(), evmcs page could not be mapped immediately because evmcs GPA lacked the expected struct kvm_vmx_nested_state_...

PT-2024-11087 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises when enlightened VMCS is in use and nested state is migrated with vmx get nested state/vmx set nested state. KVM cannot map the eVMCS page right away because the eVMCS...