Security Advisory

CVE-2025-39846

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-19 15:26:19
Last updated 2026-05-12 12:07:34
Assigner Linux
State PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region() In __iodyn_find_io_region(), pcmcia_make_resource() is assigned to res and used in pci_bus_alloc_resource(). There is a dereference of res in pci_bus_alloc_resource(), which could lead to a NULL pointer dereference on failure of pcmcia_make_resource(). Fix this bug by adding a check of res.