CVE-2025-39846

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.

The following products are affected by CVE-2025-39846 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-39846.

URL	Resource
https://git.kernel.org/stable/c/2ee32c4c4f636e474cd8ab7c19a68cf36072ea93
https://git.kernel.org/stable/c/44822df89e8f3386871d9cad563ece8e2fd8f0e7
https://git.kernel.org/stable/c/4bd570f494124608a0696da070f00236a96fb610
https://git.kernel.org/stable/c/5ff2826c998370bf7f9ae26fe802140d220e3510
https://git.kernel.org/stable/c/b990c8c6ff50649ad3352507398e443b1e3527b2
https://git.kernel.org/stable/c/ce3b7766276894d2fbb07e2047a171f9deb965de
https://git.kernel.org/stable/c/d7286005e8fde0a430dc180a9f46c088c7d74483
https://git.kernel.org/stable/c/fafa7450075f41d232bc785a4ebcbf16374f2076
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
https://lore.kernel.org/linux-cve-announce/2025091903-CVE-2025-39846-0d36@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2025-39846
https://www.cve.org/CVERecord?id=CVE-2025-39846