{"cve":"CVE-2026-31752","nvd":{"published":"2026-05-01T15:16:38.090","modified":"2026-10-15T02:19:20.170","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbridge: br_nd_send: validate ND option lengths\n\nbr_nd_send() walks ND options according to option-provided lengths.\nA malformed option can make the parser advance beyond the computed\noption span or use a too-short source LLADDR option payload.\n\nValidate option lengths against the remaining NS option area before\nadvancing, and only read source LLADDR when the option is large enough\nfor an Ethernet address.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/259466f76f5a2148aff11134e68f4b4c6d52725b","https://git.kernel.org/stable/c/82a42eceec7c6bdb0e0da94c0542a173b7ea57f2","https://git.kernel.org/stable/c/837392a38445729c22e03d3abcf33f07763efd85","https://git.kernel.org/stable/c/850837965af15707fd3142c1cf3c5bfaf022299b","https://git.kernel.org/stable/c/c49b9256bbacb6a135654aebd12e4c0e87166b7c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:33:09.003606135+00:00"},"epss":{"cve":"CVE-2026-31752","score":0.00129,"percentile":0.02492,"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."]}