{"cve":"CVE-2026-64166","nvd":{"published":"2026-07-19T16:17:58.723","modified":"2026-08-13T15:31:32.930","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: arm_ffa: Check for NULL FF-A ID table while driver registration\n\nThe bus match callback assumes that every FF-A driver provides an\nid_table and dereferences it unconditionally. Enforce that contract at\nregistration time so a buggy client driver cannot crash the bus during\nmatch.","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/0a5e695095c557d2380131b613dea4e8d90371be","https://git.kernel.org/stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf","https://git.kernel.org/stable/c/34f59211984f66788390e7469f3e99d3796db4a8","https://git.kernel.org/stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d","https://git.kernel.org/stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-64166","score":0.0012,"percentile":0.01785,"date":"2026-10-31"},"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."]}