{"api_version":"1","generated_at":"2026-07-23T12:47:53+00:00","cve":"CVE-2026-64002","urls":{"html":"https://cve.report/CVE-2026-64002","api":"https://cve.report/api/cve/CVE-2026-64002.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64002","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64002"},"summary":{"title":"ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()\n\nipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_reserved_ports\ntoo soon.\n\nOnly after unregister_net_sysctl_table() we can be sure no threads can possibly\nuse the sysctls, including /proc/sys/net/ipv4/ip_local_reserved_ports.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-19 16:17:39","updated_at":"2026-07-20 15:17:01"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/87a1e0fe7776da7ab411be332b4be58ac8840d10","name":"https://git.kernel.org/stable/c/87a1e0fe7776da7ab411be332b4be58ac8840d10","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ecf45080a4d3f4526cacb8b14060fe3b49a6913b","name":"https://git.kernel.org/stable/c/ecf45080a4d3f4526cacb8b14060fe3b49a6913b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57","name":"https://git.kernel.org/stable/c/8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a7f4eefb6e1458431eef9fa20fb363320d185f76","name":"https://git.kernel.org/stable/c/a7f4eefb6e1458431eef9fa20fb363320d185f76","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5b23a2ff379e70b6b9ff744a972b63e1f8f4d996","name":"https://git.kernel.org/stable/c/5b23a2ff379e70b6b9ff744a972b63e1f8f4d996","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c","name":"https://git.kernel.org/stable/c/a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/155f90be5ee8be5b110ebc0b7da33c54c83b0208","name":"https://git.kernel.org/stable/c/155f90be5ee8be5b110ebc0b7da33c54c83b0208","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6512c57c4638ddec113bf42439361ba85a12048d","name":"https://git.kernel.org/stable/c/6512c57c4638ddec113bf42439361ba85a12048d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64002","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64002","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 122ff243f5f104194750ecbc76d5946dd1eec934 ecf45080a4d3f4526cacb8b14060fe3b49a6913b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 122ff243f5f104194750ecbc76d5946dd1eec934 a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 122ff243f5f104194750ecbc76d5946dd1eec934 5b23a2ff379e70b6b9ff744a972b63e1f8f4d996 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 122ff243f5f104194750ecbc76d5946dd1eec934 8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.210 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.176 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.143 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.93 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.35 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.12 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"64002","cve":"CVE-2026-64002","epss":"0.001760000","percentile":"0.073850000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:13"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ecf45080a4d3f4526cacb8b14060fe3b49a6913b","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"5b23a2ff379e70b6b9ff744a972b63e1f8f4d996","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"6512c57c4638ddec113bf42439361ba85a12048d","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"a7f4eefb6e1458431eef9fa20fb363320d185f76","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"155f90be5ee8be5b110ebc0b7da33c54c83b0208","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"},{"lessThan":"87a1e0fe7776da7ab411be332b4be58ac8840d10","status":"affected","version":"122ff243f5f104194750ecbc76d5946dd1eec934","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv4/sysctl_net_ipv4.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.16"},{"lessThan":"3.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.259","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.210","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.176","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.143","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.93","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.35","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.12","versionStartIncluding":"3.16","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"3.16","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()\n\nipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_reserved_ports\ntoo soon.\n\nOnly after unregister_net_sysctl_table() we can be sure no threads can possibly\nuse the sysctls, including /proc/sys/net/ipv4/ip_local_reserved_ports."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-07-20T13:42:13.909Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ecf45080a4d3f4526cacb8b14060fe3b49a6913b"},{"url":"https://git.kernel.org/stable/c/a0ffc6081a8b27082dd5eae5aa1e3f59bbecf06c"},{"url":"https://git.kernel.org/stable/c/5b23a2ff379e70b6b9ff744a972b63e1f8f4d996"},{"url":"https://git.kernel.org/stable/c/8e59d4d0dcde2dfb07a7ef855c849a2a0560aa57"},{"url":"https://git.kernel.org/stable/c/6512c57c4638ddec113bf42439361ba85a12048d"},{"url":"https://git.kernel.org/stable/c/a7f4eefb6e1458431eef9fa20fb363320d185f76"},{"url":"https://git.kernel.org/stable/c/155f90be5ee8be5b110ebc0b7da33c54c83b0208"},{"url":"https://git.kernel.org/stable/c/87a1e0fe7776da7ab411be332b4be58ac8840d10"}],"title":"ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64002","datePublished":"2026-07-19T14:56:19.495Z","dateReserved":"2026-07-19T07:54:57.026Z","dateUpdated":"2026-07-20T13:42:13.909Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-19 16:17:39","lastModifiedDate":"2026-07-20 15:17:01","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64002","Ordinal":"1","Title":"ipv4: free net->ipv4.sysctl_local_reserved_ports after unregiste","CVE":"CVE-2026-64002","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64002","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()\n\nipv4_sysctl_exit_net() is currently freeing net->ipv4.sysctl_local_reserved_ports\ntoo soon.\n\nOnly after unregister_net_sysctl_table() we can be sure no threads can possibly\nuse the sysctls, including /proc/sys/net/ipv4/ip_local_reserved_ports.","Type":"Description","Title":"ipv4: free net->ipv4.sysctl_local_reserved_ports after unregiste"}]}}}