CVE-2026-45944

A flaw was found in the Linux kernel's IOMMU Input/Output Memory Management Unit VT-d Virtualization Technology for Directed I/O component. When a context entry is being torn down, the 'Present' bit might not be cleared before other parts of the entry are zeroed. This can lead to the hardware...

CVE-2025-40219

In the Linux kernel, the following vulnerability has been resolved: PCI/IOV: Fix race between SR-IOV enable/disable and hotplug Commit 05703271c3cd "PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV" tried to fix a race between the VF removal inside sriovdelvfs and concurrent...

Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen suffers from a security vulnerability th...