{"api_version":"1","generated_at":"2026-08-22T21:53:00+00:00","cve":"CVE-2026-74718","urls":{"html":"https://cve.report/CVE-2026-74718","api":"https://cve.report/api/cve/CVE-2026-74718.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74718","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74718"},"summary":{"title":"devlink: fix net namespace reference leak in reload","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: fix net namespace reference leak in reload\n\ndevlink_nl_reload_doit() calls devlink_netns_get(), which returns a net\nwith a held reference. When the requested namespace differs from the\ncurrent one and the reload action is not DRIVER_REINIT, the function\nreturns -EOPNOTSUPP without releasing the reference. Add the missing\nput_net() on this error path.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:46","updated_at":"2026-08-22 16:16:46"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/1c4dac9bf1d2ac31da63b794bdec697777cbd0fd","name":"https://git.kernel.org/stable/c/1c4dac9bf1d2ac31da63b794bdec697777cbd0fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bf0797b92be591ac71d7c0f610e695caca3c72c9","name":"https://git.kernel.org/stable/c/bf0797b92be591ac71d7c0f610e695caca3c72c9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7b02c6d2a3cd2cd669f5c16685779f84328ae60c","name":"https://git.kernel.org/stable/c/7b02c6d2a3cd2cd669f5c16685779f84328ae60c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eda60c85b4f4c7d66b7141a5fe020b1a7f395341","name":"https://git.kernel.org/stable/c/eda60c85b4f4c7d66b7141a5fe020b1a7f395341","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7b6552e53426ea0539c667bbc5a524fdf7feae6f","name":"https://git.kernel.org/stable/c/7b6552e53426ea0539c667bbc5a524fdf7feae6f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74718","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74718","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2edd92570441dd33246210042dc167319a5cf7e3 7b6552e53426ea0539c667bbc5a524fdf7feae6f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2edd92570441dd33246210042dc167319a5cf7e3 bf0797b92be591ac71d7c0f610e695caca3c72c9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2edd92570441dd33246210042dc167319a5cf7e3 7b02c6d2a3cd2cd669f5c16685779f84328ae60c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2edd92570441dd33246210042dc167319a5cf7e3 eda60c85b4f4c7d66b7141a5fe020b1a7f395341 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2edd92570441dd33246210042dc167319a5cf7e3 1c4dac9bf1d2ac31da63b794bdec697777cbd0fd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.152 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.104 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/devlink/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7b6552e53426ea0539c667bbc5a524fdf7feae6f","status":"affected","version":"2edd92570441dd33246210042dc167319a5cf7e3","versionType":"git"},{"lessThan":"bf0797b92be591ac71d7c0f610e695caca3c72c9","status":"affected","version":"2edd92570441dd33246210042dc167319a5cf7e3","versionType":"git"},{"lessThan":"7b02c6d2a3cd2cd669f5c16685779f84328ae60c","status":"affected","version":"2edd92570441dd33246210042dc167319a5cf7e3","versionType":"git"},{"lessThan":"eda60c85b4f4c7d66b7141a5fe020b1a7f395341","status":"affected","version":"2edd92570441dd33246210042dc167319a5cf7e3","versionType":"git"},{"lessThan":"1c4dac9bf1d2ac31da63b794bdec697777cbd0fd","status":"affected","version":"2edd92570441dd33246210042dc167319a5cf7e3","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/devlink/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.152","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.104","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.45","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.152","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.104","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.45","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.9","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"6.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: fix net namespace reference leak in reload\n\ndevlink_nl_reload_doit() calls devlink_netns_get(), which returns a net\nwith a held reference. When the requested namespace differs from the\ncurrent one and the reload action is not DRIVER_REINIT, the function\nreturns -EOPNOTSUPP without releasing the reference. Add the missing\nput_net() on this error path."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:33:12.106Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7b6552e53426ea0539c667bbc5a524fdf7feae6f"},{"url":"https://git.kernel.org/stable/c/bf0797b92be591ac71d7c0f610e695caca3c72c9"},{"url":"https://git.kernel.org/stable/c/7b02c6d2a3cd2cd669f5c16685779f84328ae60c"},{"url":"https://git.kernel.org/stable/c/eda60c85b4f4c7d66b7141a5fe020b1a7f395341"},{"url":"https://git.kernel.org/stable/c/1c4dac9bf1d2ac31da63b794bdec697777cbd0fd"}],"title":"devlink: fix net namespace reference leak in reload","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74718","datePublished":"2026-08-22T15:33:12.106Z","dateReserved":"2026-08-15T05:44:03.928Z","dateUpdated":"2026-08-22T15:33:12.106Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:46","lastModifiedDate":"2026-08-22 16:16:46","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74718","Ordinal":"1","Title":"devlink: fix net namespace reference leak in reload","CVE":"CVE-2026-74718","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74718","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ndevlink: fix net namespace reference leak in reload\n\ndevlink_nl_reload_doit() calls devlink_netns_get(), which returns a net\nwith a held reference. When the requested namespace differs from the\ncurrent one and the reload action is not DRIVER_REINIT, the function\nreturns -EOPNOTSUPP without releasing the reference. Add the missing\nput_net() on this error path.","Type":"Description","Title":"devlink: fix net namespace reference leak in reload"}]}}}