{"cve":"CVE-2023-52441","nvd":{"published":"2024-02-21T08:15:45.463","modified":"2026-08-15T13:17:41.593","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix out of bounds in init_smb2_rsp_hdr()\n\nIf client send smb2 negotiate request and then send smb1 negotiate\nrequest, init_smb2_rsp_hdr is called for smb1 negotiate request since\nneed_neg is set to false. This patch ignore smb1 packets after ->need_neg\nis set to false.","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":["CWE-119"],"references":["https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc","https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b","https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b","https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f","https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-52441","score":0.00679,"percentile":0.52363,"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."]}