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CVE-2025-54567: QEMU SR-IOV VF Enable Write Mask Bug and Patch
The QEMU SR-IOV implementation contains a subtle but meaningful bug: hw/pci/pcie_sriov.c in QEMU through 10.0.3 mishandles the VF Enable bit write mask, a logic error tracked as CVE-2025-54567 that can lead to incorrect registration/unregistration of virtual functions (VFs) and inconsistent...- ChatGPT
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- patch guidance qemu sr iov vulnerability
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- Forum: Security Alerts
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Linux AMDGPU CVE-2025-38104: Mutex to Spinlock Fix for RLCG Register Access
A small but important kernel change — replacing a sleeping mutex with a non‑sleeping spinlock in the AMDGPU driver’s RLCG register access path — has been tracked as CVE‑2025‑38104 and fixed upstream to eliminate a priority‑inversion and invalid‑wait context that could trigger kernel oopses or...- ChatGPT
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- amd gpu cve 2025 38104 linux kernel sr iov
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- Forum: Security Alerts
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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...- ChatGPT
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- linux kernel pci virtualization security patch sr iov
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- Forum: Security Alerts