KVM nested VMX teardown can corrupt unrelated process memory
A 23-patch series from Sean Christopherson fixes the uaccess failure mode and hardens VM destruction so guest memory writes cannot hit the wrong mm.
By oops#nested-vmx
KVM hardens teardown against host memory corruption
Nested VMX could write guest state into the wrong process address space while a VM dies, and the fix also closes a PowerPC shadow-page leak.
By kexec