CVE-2026-64172

CVE-2026-64172 documents a Linux kernel/KVM vulnerability on Hygon Family 18h CPUs (Zen1-derived) where AVIC IPI virtualization could fail to wake blocking vCPUs due to a stale IsRunning=1 bit during ICR emulation. The root cause mirrors AMD Family 17h erratum #1235 and is mitigated by extending ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fixed a crash in hvpcirestoremsimsg during hibernation. When a Linux virtual machine with a assigned PCI device runs on Hyper-V, if the PCI device driver is not yet loaded i.e., MSI-X/MSI is not enabled on the device,...

PT-2025-23024

Critical vulnerabilities in XenServer Windows VM Tools enable privilege escalation on XenServer 8.4 & Citrix Hypervisor 8.2 CU1 LTSR. Linux VMs unaffected. Update to version 9.4.1+ ASAP. 🔒 CVE-2025-27462 Australia Virtualization https://t.co/JaZh2Ea25r...

Microsoft Windows Hyper-V Elevation of Privilege Vulnerability

Microsoft Windows Hyper-V is an application from Microsoft Corporation USA. A system hypervisor virtualization technology that enables desktop virtualization, Microsoft Windows Hyper-V has an elevation of privilege vulnerability that stems from improper privilege assignment in the application and...