{"cve":"CVE-2025-21944","nvd":{"published":"2025-04-01T16:15:25.513","modified":"2026-06-17T08:44:40.503","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix bug on trap in smb2_lock\n\nIf lock count is greater than 1, flags could be old value.\nIt should be checked with flags of smb_lock, not flags.\nIt will cause bug-on trap from locks_free_lock in error handling\nroutine.","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-667"],"references":["https://git.kernel.org/stable/c/11e0e74e14f1832a95092f2c98ed3b99f57797ee","https://git.kernel.org/stable/c/2b70e3ac79eacbdf32571f7af48dd81cdd957ca8","https://git.kernel.org/stable/c/8994f0ce8259f812b4f4a681d8298c6ff682efaa","https://git.kernel.org/stable/c/dbcd7fdd86f77529210fe8978154a81cd479844c","https://git.kernel.org/stable/c/e26e2d2e15daf1ab33e0135caf2304a0cfa2744b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:57.946988208+00:00"},"epss":{"cve":"CVE-2025-21944","score":0.00157,"percentile":0.04775,"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."]}