{"cve":"CVE-2025-39846","nvd":{"published":"2025-09-19T16:15:43.397","modified":"2026-10-19T21:10:00.160","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region()\n\nIn __iodyn_find_io_region(), pcmcia_make_resource() is assigned to\nres and used in pci_bus_alloc_resource(). There is a dereference of res\nin pci_bus_alloc_resource(), which could lead to a NULL pointer\ndereference on failure of pcmcia_make_resource().\n\nFix this bug by adding a check of res.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["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"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-39846","score":0.00164,"percentile":0.05541,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}