In the Linux kernel, the following vulnerability has been resolved: PCI: altera: Protect root bus removal with rescan lock Hold the pci_rescan_remove_lock lock while stopping and removing a root bus to avoid racing with concurrent rescan or hotplug operations triggered via sysfs. Such races may lead to use-after-free issues or system crashes. [bhelgaas: commit log]
https://git.kernel.org/stable/c/c0cd65906e5f7e293ef2568c9524cc0a918333c3
https://git.kernel.org/stable/c/a8759c8ac48c0419f5899e95a6ffc611b07c965b
https://git.kernel.org/stable/c/7cbb8f2750d91e64caff89e164ac8280bb80bedc