Debian DSA-5017-1 : xen - security update

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5017 advisory. Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in privilege escalation, denial of service or information leaks. For the...

SUSE SLED15 / SLES15 Security Update : xen (SUSE-SU-2021:3888-1)

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3888-1 advisory. - PCI devices with RMRRs not deassigned correctly Certain PCI devices in a system might be assigned Reserved Memory Regions specified...

CVE-2021-28706

guests may exceed their designated memory limit When a guest is permitted to have close to 16TiB of memory, it may be able to issue hypercalls to increase its memory allocation beyond the administrator established limit. This is a result of a calculation done with 32-bit precision, which may...