{"cve":"CVE-2025-39853","nvd":{"published":"2025-09-19T16:15:44.213","modified":"2026-10-19T21:10:00.160","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix potential invalid access when MAC list is empty\n\nlist_first_entry() never returns NULL - if the list is empty, it still\nreturns a pointer to an invalid object, leading to potential invalid\nmemory access when dereferenced.\n\nFix this by using list_first_entry_or_null instead of list_first_entry.","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:N/A:H","score":7.1},"cwes":["CWE-125"],"references":["https://git.kernel.org/stable/c/1eadabcf5623f1237a539b16586b4ed8ac8dffcd","https://git.kernel.org/stable/c/3c6fb929afa313d9d11f780451d113f73922fe5d","https://git.kernel.org/stable/c/66e7cdbda74ee823ec2bf7b830ebd235c54f5ddf","https://git.kernel.org/stable/c/971feafe157afac443027acdc235badc6838560b","https://git.kernel.org/stable/c/9c21fc4cebd44dd21016c61261a683af390343f8"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-39853","score":0.00167,"percentile":0.05916,"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."]}