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    Linux Kernel CVE-2025-40219: Fix for SR-IOV PCI Race and Lock Gap

    A newly disclosed Linux kernel vulnerability, tracked as CVE-2025-40219, fixes a long-standing race and locking gap in the kernel’s PCI I/O virtualization (PCI/IOV) SR-IOV code: enabling and disabling SR-IOV did not take the global PCI “rescan‑remove” serialization lock, allowing concurrent...
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    • linux kernel pci virtualization security patch sr iov
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    • Forum: Security Alerts
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