UBUNTU-CVE-2025-39958

In the Linux kernel, the following vulnerability has been resolved: iommu/s390: Make attach succeed when the device was surprise removed When a PCI device is removed with surprise hotplug, there may still be attempts to attach the device to the default domain as part of tear down via...

CVE-2025-39958

CVE-2025-39958 concerns the Linux kernel IOMMU on s390: when a PCI device is surprise-removed, teardown may still attempt to attach to the default domain, causing zpci_register_ioat() to fail and s390_iommu_attach_device() to error out. The fix changes the attach path to proceed as if registratio...

PT-2025-41369

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s IOMMU subsystem for s390 architectures. Specifically, when a PCI device is unexpectedly removed surprise hotplug, attempts to attach the device to the...