{"api_version":"1","generated_at":"2026-07-23T11:39:49+00:00","cve":"CVE-2026-53233","urls":{"html":"https://cve.report/CVE-2026-53233","api":"https://cve.report/api/cve/CVE-2026-53233.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53233","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53233"},"summary":{"title":"netdev: fix double-free in netdev_nl_bind_rx_doit()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetdev: fix double-free in netdev_nl_bind_rx_doit()\n\nSashiko flags that genlmsg_reply() always consumes the skb.\nThe error path calls nlmsg_free(rsp) so we can't jump directly\nto it. Let's not unbind, just propagate the error to the user.\nThis is the typical way of handling genlmsg_reply() failures.\nThey shouldn't happen unless user does something silly like\ncalling the kernel with an already-full rcvbuf.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-25 09:16:41","updated_at":"2026-07-07 23:46:31"},"problem_types":["CWE-415"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","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"}}],"references":[{"url":"https://git.kernel.org/stable/c/c299321bc6232770ce378d6fa6bc46004d2d7fdb","name":"https://git.kernel.org/stable/c/c299321bc6232770ce378d6fa6bc46004d2d7fdb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599","name":"https://git.kernel.org/stable/c/e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c849de7d8757a7af801fc4a4058f71d481d367f2","name":"https://git.kernel.org/stable/c/c849de7d8757a7af801fc4a4058f71d481d367f2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9b019376cbee10c4f9184d1745fa37d156e36f30","name":"https://git.kernel.org/stable/c/9b019376cbee10c4f9184d1745fa37d156e36f30","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53233","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53233","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 170aafe35cb98e0f3fbacb446ea86389fbce22ea e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 170aafe35cb98e0f3fbacb446ea86389fbce22ea c299321bc6232770ce378d6fa6bc46004d2d7fdb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 170aafe35cb98e0f3fbacb446ea86389fbce22ea 9b019376cbee10c4f9184d1745fa37d156e36f30 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 170aafe35cb98e0f3fbacb446ea86389fbce22ea c849de7d8757a7af801fc4a4058f71d481d367f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nnetdev: fix double-free in netdev_nl_bind_rx_doit()\n\nSashiko flags that genlmsg_reply() always consumes the skb.\nThe error path calls nlmsg_free(rsp) so we can't jump directly\nto it. Let's not unbind, just propagate the error to the user.\nThis is the typical way of handling genlmsg_reply() failures.\nThey shouldn't happen unless user does something silly like\ncalling the kernel with an already-full rcvbuf."}],"providerMetadata":{"dateUpdated":"2026-06-25T08:39:31.191Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599"},{"url":"https://git.kernel.org/stable/c/c299321bc6232770ce378d6fa6bc46004d2d7fdb"},{"url":"https://git.kernel.org/stable/c/9b019376cbee10c4f9184d1745fa37d156e36f30"},{"url":"https://git.kernel.org/stable/c/c849de7d8757a7af801fc4a4058f71d481d367f2"}],"title":"netdev: fix double-free in netdev_nl_bind_rx_doit()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53233","datePublished":"2026-06-25T08:39:31.191Z","dateReserved":"2026-06-09T07:44:35.393Z","dateUpdated":"2026-06-25T08:39:31.191Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-25 09:16:41","lastModifiedDate":"2026-07-07 23:46:31","problem_types":["CWE-415"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","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":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.12.94","matchCriteriaId":"7327870E-8777-43EF-92CB-081E4B51D6F9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.36","matchCriteriaId":"389025D2-958D-41BD-BD96-70ED1033A9F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0.13","matchCriteriaId":"6A64BF9F-3BCA-42FD-98CB-8F03474D2B1E"},{"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,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*","matchCriteriaId":"E5910A9D-F60A-409A-B486-FE66BFEBA9B9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*","matchCriteriaId":"81DFF19E-9CF8-49C6-8C36-1E4038622933"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*","matchCriteriaId":"B0E8FC71-3952-444C-83E9-718DBBBEC615"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.1:rc7:*:*:*:*:*:*","matchCriteriaId":"1039E95A-8CC3-4C88-8FF9-5C08EEB861C9"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53233","Ordinal":"1","Title":"netdev: fix double-free in netdev_nl_bind_rx_doit()","CVE":"CVE-2026-53233","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53233","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetdev: fix double-free in netdev_nl_bind_rx_doit()\n\nSashiko flags that genlmsg_reply() always consumes the skb.\nThe error path calls nlmsg_free(rsp) so we can't jump directly\nto it. Let's not unbind, just propagate the error to the user.\nThis is the typical way of handling genlmsg_reply() failures.\nThey shouldn't happen unless user does something silly like\ncalling the kernel with an already-full rcvbuf.","Type":"Description","Title":"netdev: fix double-free in netdev_nl_bind_rx_doit()"}]}}}