{"cve":"CVE-2023-53990","nvd":{"published":"2025-12-24T11:15:51.900","modified":"2026-08-04T10:19:24.980","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nSMB3: Add missing locks to protect deferred close file list\n\ncifs_del_deferred_close function has a critical section which modifies\nthe deferred close file list. We must acquire deferred_lock before\ncalling cifs_del_deferred_close function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":[],"references":["https://git.kernel.org/stable/c/0f87e18203bd30f71eb1a65259e28e291b6cc43a","https://git.kernel.org/stable/c/32a046ccaeea6c19965c04a4c521e703f6607924","https://git.kernel.org/stable/c/3aa9d065b0685b4e6052f3f2a2462966fdc44fd2","https://git.kernel.org/stable/c/ab9ddc87a9055c4bebd6524d5d761d605d52e557","https://git.kernel.org/stable/c/cb36365dac25d546ca4af0eb22acb43c9b4ddfdf"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:17:07.138532058+00:00"},"epss":{"cve":"CVE-2023-53990","score":0.00155,"percentile":0.04566,"date":"2026-11-01"},"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."]}