{"id":"CVE-2026-64515","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-64515","generatedAt":"2026-10-28T02:22:58.965Z","title":"In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix MLE defragmentation If either reconf or EPCS multi-link element (MLE) is contained in a non-transmitted profile, the defragmentation routine is called with a pointer…","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.","published":"2026-07-25T10:17:38.000Z","lastModified":"2026-10-19T21:17:42.000Z","status":"Received","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":8.3,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00236,"percentile":0.14407,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/1f573e17bcb7275ddd1c8f47f46ae0faf0e902a4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/55c479aae99b120489a432db9c717484e523dfd6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/722b3f86df80644463d29fe5451e30a617f74500","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a74e893f30db64cdce0fc7a96d3baa417bcd55f5","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64515","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}