kernel: powerpc/eeh: avoid possible crash when edev->pdev changes

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that during the eehpereportedev function, edev-pdev will change if a PCI device is removed,...