CVE-2026-90241

A flaw was found in the Linux kernel's iommu/vt-d subsystem. During the setup of scalable-mode context entries for PCI devices, an error can occur that leaves behind invalid context entries. These entries may point to memory that has already been freed. An attacker could potentially exploit this ...

Linux Kernel Security Vulnerabilities

The Linux kernel versions 6.8.2 to 6.9 contain security vulnerabilities. These vulnerabilities stem from the failure to clear the Present bit before removing the extensible mode context entries. This can lead to entries with hardware acquisition tearing and access to released memory, resulting in...

CVE-2024-50101

CVE-2024-50101 occurs in the Linux kernel iommu/vt-d code where domain_context_clear() incorrectly called pci_for_each_dma_alias() for non‑PCI devices, potentially causing kernel hangs. The fix adds a check to only call pci_for_each_dma_alias() for PCI devices and calls domain_context_clear_one()...