linux linux-kernel CVE-2026-80867 is a vulnerability in Linux Kernel
Published on September 4, 2026

alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
In the Linux kernel, the following vulnerability has been resolved: alpha/PCI: Add security_locked_down() check to pci_mmap_resource() Currently, Alpha's pci_mmap_resource() does not check security_locked_down(LOCKDOWN_PCI_ACCESS) before allowing userspace to mmap PCI BARs. The generic version has had this check since commit eb627e17727e ("PCI: Lock down BAR access when the kernel is locked down") to prevent DMA attacks when the kernel is locked down. Add the same check to Alpha's pci_mmap_resource().

NVD


Products Associated with CVE-2026-80867

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Affected Versions

Linux: Linux: