{"cve":"CVE-2025-40053","nvd":{"published":"2025-10-28T12:15:39.510","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dlink: handle copy_thresh allocation failure\n\nThe driver did not handle failure of `netdev_alloc_skb_ip_align()`.\nIf the allocation failed, dereferencing `skb->protocol` could lead to\na NULL pointer dereference.\n\nThis patch tries to allocate `skb`. If the allocation fails, it falls\nback to the normal path.\n\nTested-on: D-Link DGE-550T Rev-A3","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/5aa9b885602811a026a3f45c92ea2b4b04c54f09","https://git.kernel.org/stable/c/7ed5010fef0930f4322d620052edc854ef3ec41f","https://git.kernel.org/stable/c/8169a6011c5fecc6cb1c3654c541c567d3318de8","https://git.kernel.org/stable/c/84fd710a704f3d53d4120e452e86cea558cf73a8","https://git.kernel.org/stable/c/9d49e4b14609e1a20d931e718962c4b6b5485174"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40053","score":0.00629,"percentile":0.49832,"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."]}