CVE-2023-52617 PCI: switchtec: Fix stdev_release() crash after surprise hot remove

In the Linux kernel, the following vulnerability has been resolved: PCI: switchtec: Fix stdevrelease crash after surprise hot remove A PCI device hot removal may occur while stdev-cdev is held open. The call to stdevrelease then happens during close or exit, at a point way past switchtecpciremove...

CVE-2023-52617 PCI: switchtec: Fix stdev_release() crash after surprise hot remove

In the Linux kernel, the following vulnerability has been resolved: PCI: switchtec: Fix stdevrelease crash after surprise hot remove A PCI device hot removal may occur while stdev-cdev is held open. The call to stdevrelease then happens during close or exit, at a point way past switchtecpciremove...

CVE-2023-52617

The Linux kernel contains a vulnerability in the switchtec PCI driver where a surprise hot removal of a PCI device can trigger a crash. The issue occurs because stdev_release() may be called after switchtec_pci_remove() , leading to a fatal page fault during iowrite32() in DMA mode because the mm...