https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 28 Sep 2026 06:37:18 +0000 https://vulnerability.circl.lu/vuln/cve-2026-89453 <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>iommu/amd: Put PCI device after handling PPR faults</p> <p>iommu_call_iopf_notifier() looks up the requester with pci_get_domain_bus_and_slot(), which returns a PCI device with its reference count incremented.</p> <p>Neither the successful iommu_report_device_fault() path nor the abort path drops that reference, so every handled PPR request leaks a PCI device reference.</p> <p>This is the same ownership rule that was fixed for the old iommu_v2 ppr_notifier() path by commit 6cf0981c2233 (&#34;iommu/amd: Fix pci device refcount leak in ppr_notifier()&#34;), but iommu_call_iopf_notifier() was added later as a separate PPR/IOPF notifier path.</p> <p>Drop the PCI device reference after handling the PPR entry.</p> <p><strong>Affected:</strong> Linux</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>iommu/amd: Put PCI device after handling PPR faults</p> <p>iommu_call_iopf_notifier() looks up the requester with pci_get_domain_bus_and_slot(), which returns a PCI device with its reference count incremented.</p> <p>Neither the successful iommu_report_device_fault() path nor the abort path drops that reference, so every handled PPR request leaks a PCI device reference.</p> <p>This is the same ownership rule that was fixed for the old iommu_v2 ppr_notifier() path by commit 6cf0981c2233 (&#34;iommu/amd: Fix pci device refcount leak in ppr_notifier()&#34;), but iommu_call_iopf_notifier() was added later as a separate PPR/IOPF notifier path.</p> <p>Drop the PCI device reference after handling the PPR entry.</p> https://vulnerability.circl.lu/vuln/cve-2026-89453