Xen XSA-523: Patch XCP-ng and Qubes for the VM Escape Bug
Xen XSA-523 lets a malicious VM read and write other VMs’ memory. See fixed versions for XCP-ng 8.3, Qubes 4.3 and Debian, and how to patch and reboot.
Cloud security
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Northflank Breach: Which Secrets to Rotate and How to Check
Northflank says to assume all environment variables were decrypted. Rotate AI keys first, then revoke the old ones at the provider.
