{"id":"CVE-2026-64076","summary":"netfilter: bridge: eb_tables: close module init race","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bridge: eb_tables: close module init race\n\nsashiko reports for unrelated patch:\n Does the core ebtables initialization in ebtables.c suffer from a similar race?\n Once nf_register_sockopt() completes, the sockopts are exposed globally.\n\nsockopt has to be registered last, just like in ip/ip6/arptables.","modified":"2026-07-22T05:30:05.325273415Z","published":"2026-07-19T15:39:50.346Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64076.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02d999dc69b3918dba2414932b5d95f1f75c76cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/27414ff1b287ea9a2a11675149ec28e05539f3cc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64076.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64076"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5b53951cfc85329d29df9d07b1e905f4563546a5"},{"fixed":"c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4"},{"fixed":"02d999dc69b3918dba2414932b5d95f1f75c76cb"},{"fixed":"27414ff1b287ea9a2a11675149ec28e05539f3cc"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64076.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.13.0"},{"fixed":"6.18.34"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.11"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64076.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}