{"cvss":7.8,"datePublished":"2026-07-19T16:17:48.213","dateUpdated":"2026-09-03T14:45:20.210","description":"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.","id":"CVE-2026-64076","raw":{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4","status":"affected","version":"5b53951cfc85329d29df9d07b1e905f4563546a5","versionType":"git"},{"lessThan":"02d999dc69b3918dba2414932b5d95f1f75c76cb","status":"affected","version":"5b53951cfc85329d29df9d07b1e905f4563546a5","versionType":"git"},{"lessThan":"27414ff1b287ea9a2a11675149ec28e05539f3cc","status":"affected","version":"5b53951cfc85329d29df9d07b1e905f4563546a5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/bridge/netfilter/ebtables.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"B6507A85-8906-4848-BEE8-90E7A1FAF9B0","versionEndExcluding":"6.18.34","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","matchCriteriaId":"0520D091-FC52-4A50-AF07-70AE7D08B750","versionEndExcluding":"7.0.11","versionStartIncluding":"6.19","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*","matchCriteriaId":"B1EF7059-E670-45F4-B422-54C40FA86390","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*","matchCriteriaId":"0D38F0BF-A728-4133-A358-D44A2F7EE6D6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*","matchCriteriaId":"EC732D08-5F7B-46D9-B154-E60C7F4F0A97","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"id":"CVE-2026-64076","lastModified":"2026-09-03T14:45:20.210","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.8,"impactScore":5.9,"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary"}]},"published":"2026-07-19T16:17:48.213","references":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/02d999dc69b3918dba2414932b5d95f1f75c76cb"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/27414ff1b287ea9a2a11675149ec28e05539f3cc"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"url":"https://git.kernel.org/stable/c/c647e2a21bbbaceda6cdb8a44a56f44d231dc4b4"}],"sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"NVD-CWE-noinfo"}],"source":"nvd@nist.gov","type":"Primary"}]},"severity":"HIGH","source":"nvd","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: bridge: eb_tables: close module init ..."}