{"api_version":"1","generated_at":"2026-08-18T05:18:23+00:00","cve":"CVE-2026-72308","urls":{"html":"https://cve.report/CVE-2026-72308","api":"https://cve.report/api/cve/CVE-2026-72308.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72308","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72308"},"summary":{"title":"mlxsw: fix refcount leak in mlxsw_sp_port_lag_join()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: fix refcount leak in mlxsw_sp_port_lag_join()\n\nWhen mlxsw_sp_port_lag_index_get() fails, mlxsw_sp_port_lag_join()\nreturns an error without releasing the lag reference obtained by\nthe earlier mlxsw_sp_lag_get().  All other error paths in the\nfunction jump to the cleanup label that ends with\nmlxsw_sp_lag_put(), so this is a single missed release.\n\nFix the leak by replacing the bare 'return err' with a goto to the\nexisting error cleanup label, which will drop the reference safely.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:03","updated_at":"2026-08-17 06:18:33"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8b3350eacd9df0597bfe36a594df7b9def0b3edf","name":"https://git.kernel.org/stable/c/8b3350eacd9df0597bfe36a594df7b9def0b3edf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/41c8c1d65b32beacd8d916a22457b4f6e47f45af","name":"https://git.kernel.org/stable/c/41c8c1d65b32beacd8d916a22457b4f6e47f45af","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e","name":"https://git.kernel.org/stable/c/1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cab468c3c03f4bcd7530ce2783a4140da14efb7b","name":"https://git.kernel.org/stable/c/cab468c3c03f4bcd7530ce2783a4140da14efb7b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2d8b3c3e129973a51ae924bdcf6993a76b828814","name":"https://git.kernel.org/stable/c/2d8b3c3e129973a51ae924bdcf6993a76b828814","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72308","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72308","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0d65fc13042fce6a2d6de58ff0dc9531e8523c07 8b3350eacd9df0597bfe36a594df7b9def0b3edf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0d65fc13042fce6a2d6de58ff0dc9531e8523c07 1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0d65fc13042fce6a2d6de58ff0dc9531e8523c07 2d8b3c3e129973a51ae924bdcf6993a76b828814 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0d65fc13042fce6a2d6de58ff0dc9531e8523c07 cab468c3c03f4bcd7530ce2783a4140da14efb7b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 0d65fc13042fce6a2d6de58ff0dc9531e8523c07 41c8c1d65b32beacd8d916a22457b4f6e47f45af git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 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":{"cve_year":"2026","cve_id":"72308","cve":"CVE-2026-72308","epss":"0.002090000","percentile":"0.113500000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/mellanox/mlxsw/spectrum.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8b3350eacd9df0597bfe36a594df7b9def0b3edf","status":"affected","version":"0d65fc13042fce6a2d6de58ff0dc9531e8523c07","versionType":"git"},{"lessThan":"1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e","status":"affected","version":"0d65fc13042fce6a2d6de58ff0dc9531e8523c07","versionType":"git"},{"lessThan":"2d8b3c3e129973a51ae924bdcf6993a76b828814","status":"affected","version":"0d65fc13042fce6a2d6de58ff0dc9531e8523c07","versionType":"git"},{"lessThan":"cab468c3c03f4bcd7530ce2783a4140da14efb7b","status":"affected","version":"0d65fc13042fce6a2d6de58ff0dc9531e8523c07","versionType":"git"},{"lessThan":"41c8c1d65b32beacd8d916a22457b4f6e47f45af","status":"affected","version":"0d65fc13042fce6a2d6de58ff0dc9531e8523c07","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/mellanox/mlxsw/spectrum.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.5"},{"lessThan":"4.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","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":"6.6.145","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"4.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"4.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: fix refcount leak in mlxsw_sp_port_lag_join()\n\nWhen mlxsw_sp_port_lag_index_get() fails, mlxsw_sp_port_lag_join()\nreturns an error without releasing the lag reference obtained by\nthe earlier mlxsw_sp_lag_get().  All other error paths in the\nfunction jump to the cleanup label that ends with\nmlxsw_sp_lag_put(), so this is a single missed release.\n\nFix the leak by replacing the bare 'return err' with a goto to the\nexisting error cleanup label, which will drop the reference safely."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:12:12.894Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8b3350eacd9df0597bfe36a594df7b9def0b3edf"},{"url":"https://git.kernel.org/stable/c/1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e"},{"url":"https://git.kernel.org/stable/c/2d8b3c3e129973a51ae924bdcf6993a76b828814"},{"url":"https://git.kernel.org/stable/c/cab468c3c03f4bcd7530ce2783a4140da14efb7b"},{"url":"https://git.kernel.org/stable/c/41c8c1d65b32beacd8d916a22457b4f6e47f45af"}],"title":"mlxsw: fix refcount leak in mlxsw_sp_port_lag_join()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72308","datePublished":"2026-08-15T05:55:25.260Z","dateReserved":"2026-08-09T03:40:39.918Z","dateUpdated":"2026-08-17T05:12:12.894Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:03","lastModifiedDate":"2026-08-17 06:18:33","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72308","Ordinal":"1","Title":"mlxsw: fix refcount leak in mlxsw_sp_port_lag_join()","CVE":"CVE-2026-72308","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72308","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: fix refcount leak in mlxsw_sp_port_lag_join()\n\nWhen mlxsw_sp_port_lag_index_get() fails, mlxsw_sp_port_lag_join()\nreturns an error without releasing the lag reference obtained by\nthe earlier mlxsw_sp_lag_get().  All other error paths in the\nfunction jump to the cleanup label that ends with\nmlxsw_sp_lag_put(), so this is a single missed release.\n\nFix the leak by replacing the bare 'return err' with a goto to the\nexisting error cleanup label, which will drop the reference safely.","Type":"Description","Title":"mlxsw: fix refcount leak in mlxsw_sp_port_lag_join()"}]}}}