{"cve":"CVE-2022-50767","nvd":{"published":"2025-12-24T13:16:03.503","modified":"2026-06-17T05:24:08.567","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: smscufx: Fix several use-after-free bugs\n\nSeveral types of UAFs can occur when physically removing a USB device.\n\nAdds ufx_ops_destroy() function to .fb_destroy of fb_ops, and\nin this function, there is kref_put() that finally calls ufx_free().\n\nThis fix prevents multiple UAFs.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/3f40852d671072836fb7ae331a1f28a24223c4e8","https://git.kernel.org/stable/c/5385af2f89bc352fb70753ab41b2bb036190141f","https://git.kernel.org/stable/c/6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f","https://git.kernel.org/stable/c/70faf9d9b6cc74418716bbf76fe75bd2da10ad4a","https://git.kernel.org/stable/c/8d924b262f3178a9b17c17d4306a9f426c508bd9"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50767","score":0.0025,"percentile":0.16421,"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."]}