{"cve":"CVE-2026-74559","nvd":{"published":"2026-08-15T13:18:01.390","modified":"2026-10-21T13:19:47.073","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: drain continuation descs after overflow in xsk_build_skb()\n\nFix generic xmit path multi-buffer logic when packets are either too big\n(count of descriptors exceed MAX_SKB_FRAGS) or an invalid descriptor is\nincluded in fragmented packet. Introduce xdp_sock::drain_cont and act\nupon this flag - when it is set, keep on consuming descriptors from\nAF_XDP Tx ring and put them directly onto Cq. Previously these\ndescriptors were silently lost and could never be reached again.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/5e94d74e4f3baebaa083288f33b4be7ce0a34982","https://git.kernel.org/stable/c/bd44a6dcd4248883de90f5dad53ae80066e27096","https://git.kernel.org/stable/c/ceb00cb87a22c42d20c39336213db2b843ca9e34","https://git.kernel.org/stable/c/ecd0d1cde0478c232a867f14ec99cf97aff5eb30"],"products":[],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-74559","score":0.00209,"percentile":0.10927,"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."]}