{"cve":"CVE-2025-40187","nvd":{"published":"2025-11-12T22:15:45.577","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()\n\nIf new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0\nand sctp_ulpevent_make_authkey() returns 0, then the variable\nai_ev remains zero and the zero will be dereferenced\nin the sctp_ulpevent_free() function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":[],"references":["https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447","https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62","https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815","https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928","https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40187","score":0.00638,"percentile":0.50292,"date":"2026-10-25"},"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."]}