This happens pretty much on all Ubuntu kernels with the initial L1TF implementation, so xenial, bionic and cosmic are also affected.
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.154 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.6
This happens pretty much on all Ubuntu kernels with the initial L1TF implementation, so xenial, bionic and cosmic are also affected.
https:/ /cdn.kernel. org/pub/ linux/kernel/ v4.x/ChangeLog- 4.4.154 /cdn.kernel. org/pub/ linux/kernel/ v4.x/ChangeLog- 4.18.6
https:/