{"cve":"CVE-2025-40015","nvd":{"published":"2025-10-20T16:15:38.250","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: stm32-csi: Fix dereference before NULL check\n\nIn 'stm32_csi_start', 'csidev->s_subdev' is dereferenced directly while\nassigning a value to the 'src_pad'. However the same value is being\nchecked against NULL at a later point of time indicating that there\nare chances that the value can be NULL.\n\nMove the dereference after the NULL check.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/1f053d82e59c785b2b939cbed12f13657f84b296","https://git.kernel.org/stable/c/4eeafff163e80d576c5efc1360ae310c0ceedd02","https://git.kernel.org/stable/c/80eaf32672871bd2623ce6ba13ffc1f018756580"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40015","score":0.00235,"percentile":0.14281,"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."]}