{"cve":"CVE-2026-63997","nvd":{"published":"2026-07-19T16:17:39.270","modified":"2026-10-13T14:39:53.820","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nethtool: module: avoid leaking a netdev ref on module flash errors\n\nmodule_flash_fw_schedule() is missing undo for setting\nthe \"in_progress\" flag and taking the netdev reference.\nDelay taking these, the device can't disappear while\nwe are holding rtnl_lock.","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-401"],"references":["https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6","https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba","https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191","https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-63997","score":0.00122,"percentile":0.01962,"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."]}