{"cve":"CVE-2023-53408","nvd":{"published":"2025-09-18T14:15:44.253","modified":"2026-06-17T06:45:14.763","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntrace/blktrace: fix memory leak with using debugfs_lookup()\n\nWhen calling debugfs_lookup() the result must have dput() called on it,\notherwise the memory will leak over time.  To make things simpler, just\ncall debugfs_lookup_and_remove() instead which handles all of the logic\nat once.","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/3036f5f5ae5210797d95446795df01c1249af9ad","https://git.kernel.org/stable/c/5286b72fb425291af5f4ca7285d73c16a08d8691","https://git.kernel.org/stable/c/83e8864fee26f63a7435e941b7c36a20fd6fe93e","https://git.kernel.org/stable/c/a2e4b48d6f9b39aa19bafe223f9dd436a692fc80"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2023-53408","score":0.00148,"percentile":0.0399,"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."]}