{"cve":"CVE-2025-40140","nvd":{"published":"2025-11-12T11:15:43.790","modified":"2026-10-19T21:10:00.160","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: Remove disruptive netif_wake_queue in rtl8150_set_multicast\n\nsyzbot reported WARNING in rtl8150_start_xmit/usb_submit_urb.\nThis is the sequence of events that leads to the warning:\n\nrtl8150_start_xmit() {\n\tnetif_stop_queue();\n\tusb_submit_urb(dev->tx_urb);\n}\n\nrtl8150_set_multicast() {\n\tnetif_stop_queue();\n\tnetif_wake_queue();\t\t<-- wakes up TX queue before URB is done\n}\n\nrtl8150_start_xmit() {\n\tnetif_stop_queue();\n\tusb_submit_urb(dev->tx_urb);\t<-- double submission\n}\n\nrtl8150_set_multicast being the ndo_set_rx_mode callback should not be\ncalling netif_stop_queue and notif_start_queue as these handle\nTX queue synchronization.\n\nThe net core function dev_set_rx_mode handles the synchronization\nfor rtl8150_set_multicast making it safe to remove these locks.","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:H/A:H","score":8.8},"cwes":[],"references":["https://git.kernel.org/stable/c/114e05344763a102a8844efd96ec06ba99293ccd","https://git.kernel.org/stable/c/1a08a37ac03d07a1608a1592791041cac979fbc3","https://git.kernel.org/stable/c/54f8ef1a970a8376e5846ed90854decf7c00555d","https://git.kernel.org/stable/c/6053e47bbf212b93c051beb4261d7d5a409d0ce3","https://git.kernel.org/stable/c/6394bade9daab8e318c165fe43bba012bf13cd8e"],"products":[],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2025-40140","score":0.00319,"percentile":0.24634,"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."]}