CVE-2025-38623 PCI: pnv_php: Fix surprise plug detection and recovery

In the Linux kernel, the following vulnerability has been resolved: PCI: pnvphp: Fix surprise plug detection and recovery The existing PowerNV hotplug code did not handle surprise plug events correctly, leading to a complete failure of the hotplug system after device removal and a required reboot...

CVE-2025-38623

The CVE-2025-38623 entry describes a Linux kernel fix in PCI: pnv_php hotplug handling. The vulnerability stemmed from improper handling of surprise plug events, enabling a PE bridge to freeze MSI interrupt paths and leaving PHB/PE in a frozen state after removal. Consequences include stalled plu...