{"cve":"CVE-2026-98678","nvd":{"published":"2026-10-18T16:17:21.160","modified":"2026-10-19T10:19:32.267","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: ad4030: fix invalid oversampling_ratio validation\n\nIn ad4030_set_avg_frame_len(), the logarithm is calculated before input\nvalidation. Passing zero or negative values leads to an undefined result\nfrom ilog2().\n\nValidate that the input is strictly positive prior to computing its\nlogarithm.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/6b0cc4e32599f59c994a60743f53fc72cb2979f4","https://git.kernel.org/stable/c/6ca6dcbaa68c5e6dc4df171a32c5822e1a4c66c1","https://git.kernel.org/stable/c/d615210564205993e8f0e7ccb57cc2e66b7d5706"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-98678","score":0.00166,"percentile":0.05797,"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."]}