Linux Distros Unpatched Vulnerability : CVE-2026-89453

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with it...

CVE-2026-89453

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

DEBIAN-CVE-2026-89453

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

UBUNTU-CVE-2026-89453

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

CVE-2026-89453

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

CVE-2026-89453

CVE-2026-89453 is a PCI device reference count leak in the Linux kernel's iommu/amd subsystem. The function iommu_call_iopf_notifier() calls pci_get_domain_bus_and_slot() which increments the device's reference count, but neither the successful iommu_report_device_fault() path nor the abort path ...

EUVD-2026-76359

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

CVE-2026-89453 iommu/amd: Put PCI device after handling PPR faults

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

CVE-2026-89453

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Put PCI device after handling PPR faults iommucalliopfnotifier looks up the requester with pcigetdomainbusandslot, which returns a PCI device with its reference count incremented. Neither the successful...

PT-2026-90169

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the iommu/amd component where PCI device references are leaked during the handling of PPR Page Request Interface faults. The iommu call iopf notifier function uses pci...