CVE-2025-39846

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < b990c8c6ff50649ad3352507398e443b1e3527b2affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < 5ff2826c998370bf7f9ae26fe802140d220e3510affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < 4bd570f494124608a0696da070f00236a96fb610affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < ce3b7766276894d2fbb07e2047a171f9deb965deaffected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < 2ee32c4c4f636e474cd8ab7c19a68cf36072ea93affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < fafa7450075f41d232bc785a4ebcbf16374f2076affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < d7286005e8fde0a430dc180a9f46c088c7d74483affected
LinuxLinux49b1153adfe18a3cce7e70aa26c690f275917cd0 < 44822df89e8f3386871d9cad563ece8e2fd8f0e7affected
LinuxLinux2.6.35affected
LinuxLinux0 < 2.6.35unaffected
LinuxLinux5.4.299 <= 5.4.*unaffected
LinuxLinux5.10.243 <= 5.10.*unaffected
LinuxLinux5.15.192 <= 5.15.*unaffected
LinuxLinux6.1.151 <= 6.1.*unaffected
LinuxLinux6.6.105 <= 6.6.*unaffected
LinuxLinux6.12.46 <= 6.12.*unaffected
LinuxLinux6.16.6 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

Additional References

References