{"cve":"CVE-2026-64090","nvd":{"published":"2026-07-19T16:17:49.837","modified":"2026-08-11T15:36:11.980","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: tt: avoid empty VLAN responses\n\nThe commit 16116dac2339 (\"batman-adv: prevent TT request storms by not\nsending inconsistent TT TLVLs\") added checks to the local (direct) TT\nresponse code. But the response can also be done indirectly by another node\nusing the global TT state. To avoid such inconsistency states reported in\nthe original fix, also avoid sending empty VLANs for replies from the\nglobal TT state.","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/1f467d9a095211d3f77e8ff1bee90e73ffe01c64","https://git.kernel.org/stable/c/99f17d1cdb371cbd037975239b321f346d38f6d2","https://git.kernel.org/stable/c/9a02c8fc963ddeecb5d8788be0740c1869fc54b7","https://git.kernel.org/stable/c/ab26e346322648f5c39de017d9723c9256284fce","https://git.kernel.org/stable/c/b93ca6012712ecab2b551e120d7c95038d6a89e5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:45:36.895656543+00:00"},"epss":{"cve":"CVE-2026-64090","score":0.00128,"percentile":0.02438,"date":"2026-11-01"},"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."]}