{"cve":"CVE-2026-64515","nvd":{"published":"2026-07-25T10:17:37.763","modified":"2026-10-19T21:17:41.540","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: fix MLE defragmentation\n\nIf either reconf or EPCS multi-link element (MLE) is contained in\na non-transmitted profile, the defragmentation routine is called\nwith a pointer to the defragmented copy, but the original elements.\n\nThis is incorrect for two reasons:\n - if the original defragmentation was needed, it will not find the\n   correct data\n - if the original frame is at a higher address, the parsing will\n   potentially overrun the heap data (though given the layout of\n   the buffers, only into the new defragmentation buffer, and then\n   it has to stop and fail once that's filled with copied data.\n\nFix it by tracking the container along with the pointer and in\ndoing so also unify the two almost identical defragmentation\nroutines.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H","score":8.3},"cwes":["CWE-787"],"references":["https://git.kernel.org/stable/c/1f573e17bcb7275ddd1c8f47f46ae0faf0e902a4","https://git.kernel.org/stable/c/55c479aae99b120489a432db9c717484e523dfd6","https://git.kernel.org/stable/c/722b3f86df80644463d29fe5451e30a617f74500","https://git.kernel.org/stable/c/a74e893f30db64cdce0fc7a96d3baa417bcd55f5"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:56:58.798400159+00:00"},"epss":{"cve":"CVE-2026-64515","score":0.00236,"percentile":0.14396,"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."]}