CVE-2023-53754

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> scsi: lpfc: Fix ioremap issues in lpfc_sli4_pci_mem_setup()<br /> <br /> When if_type equals zero and pci_resource_start(pdev, PCI_64BIT_BAR4)<br /> returns false, drbl_regs_memmap_p is not remapped. This passes a NULL<br /> pointer to iounmap(), which can trigger a WARN() on certain arches.<br /> <br /> When if_type equals six and pci_resource_start(pdev, PCI_64BIT_BAR4)<br /> returns true, drbl_regs_memmap_p may has been remapped and<br /> ctrl_regs_memmap_p is not remapped. This is a resource leak and passes a<br /> NULL pointer to iounmap().<br /> <br /> To fix these issues, we need to add null checks before iounmap(), and<br /> change some goto labels.