On affected systems, an attacker might be able to infer the contents of arbitrary host memory, including memory assigned to other guests. Credits -------- See the original Xen Security Advisory. References ----------- [1] https://www.qubes-os.org/doc/testing/ [2] https://www.qubes-os.org/doc/how-to-update/ [3] https://xenbits.xen.org/xsa/advisory-398.html -- The Qubes Security Team https://www.qubes-os.org/security/