[$] Rethinking the Linux cloud stack for confidential VMs

There is an inherent limit to the privacy of the public cloud. While Linux can isolate virtual machines (VMs) from each other, nothing in the system's memory is ultimately out of reach for the host cloud provider. To accommodate the most privacy-conscious clients, confidential computing protects the memory of guests, even from hypervisors. But the Linux cloud stack needs to be rethought in order to host confidential VMs, juggling two goals that are often at odds: performance and security.

Security updates for Friday

Security updates have been issued by AlmaLinux (git, kernel, nginx:1.24, and sudo), Fedora (dpkg, java-21-openjdk, java-25-openjdk, java-latest-openjdk, and valkey), Oracle (apache-commons-vfs, sudo, tigervnc, and xorg-x11-server), Red Hat (kernel, krb5, and openssh), SUSE (gnutls, ImageMagick, iputils, kernel-livepatch-MICRO-6-0-RT_Update_10, kubernetes1.18, libarchive, ovmf, python, and salt), and Ubuntu (iputils, linux-aws-6.14, linux-raspi, openjdk-21, and openjdk-24).

Microsoft admits it 'cannot guarantee' data sovereignty

Under oath in French Senate, exec says it would be compelled – however unlikely – to pass local customer info to US admin

Microsoft says it "cannot guarantee" data sovereignty to customers in France – and by implication the wider European Union – should the Trump administration demand access to customer information held on its servers.…