{"api_version":"1","generated_at":"2026-09-14T07:36:52+00:00","cve":"CVE-2026-89531","urls":{"html":"https://cve.report/CVE-2026-89531","api":"https://cve.report/api/cve/CVE-2026-89531.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89531","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89531"},"summary":{"title":"svcrdma: Reject connection when transport allocation fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Reject connection when transport allocation fails\n\nhandle_connect_req() returns without action when\nsvc_rdma_create_xprt() fails to allocate the new transport.\nThe CM core returns 0 for CONNECT_REQUEST events, so it does\nnot destroy the new rdma_cm_id. Each allocation failure under\nmemory pressure leaks one rdma_cm_id, and a remote peer driving\nconnection attempts can amplify this.\n\nReject the connection by returning a non-zero status from the\nCM event handler, which tells the CM core to destroy the\norphaned cm_id.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-11 20:19:35","updated_at":"2026-09-11 20:19:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/6e21754bbf75075f3fee1cebc79f3417364235ec","name":"https://git.kernel.org/stable/c/6e21754bbf75075f3fee1cebc79f3417364235ec","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1f6a14c142fee4778c32709d1d54595c2e2b7991","name":"https://git.kernel.org/stable/c/1f6a14c142fee4778c32709d1d54595c2e2b7991","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3cf372cec7ab2cd8c6002bf775cc14d90ccb098b","name":"https://git.kernel.org/stable/c/3cf372cec7ab2cd8c6002bf775cc14d90ccb098b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0944462247dcb7de7622cdaaadf5f05c52707dab","name":"https://git.kernel.org/stable/c/0944462247dcb7de7622cdaaadf5f05c52707dab","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89531","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89531","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 377f9b2f4529e0ac702fd7b91e216afd0adc959e 6e21754bbf75075f3fee1cebc79f3417364235ec git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 377f9b2f4529e0ac702fd7b91e216afd0adc959e 3cf372cec7ab2cd8c6002bf775cc14d90ccb098b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 377f9b2f4529e0ac702fd7b91e216afd0adc959e 1f6a14c142fee4778c32709d1d54595c2e2b7991 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 377f9b2f4529e0ac702fd7b91e216afd0adc959e 0944462247dcb7de7622cdaaadf5f05c52707dab git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.25","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.25 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.109 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.50 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.4 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"89531","cve":"CVE-2026-89531","epss":"0.001680000","percentile":"0.063420000","score_date":"2026-09-13","updated_at":"2026-09-14 00:18:02"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sunrpc/xprtrdma/svc_rdma_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6e21754bbf75075f3fee1cebc79f3417364235ec","status":"affected","version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","versionType":"git"},{"lessThan":"3cf372cec7ab2cd8c6002bf775cc14d90ccb098b","status":"affected","version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","versionType":"git"},{"lessThan":"1f6a14c142fee4778c32709d1d54595c2e2b7991","status":"affected","version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","versionType":"git"},{"lessThan":"0944462247dcb7de7622cdaaadf5f05c52707dab","status":"affected","version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sunrpc/xprtrdma/svc_rdma_transport.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.25"},{"lessThan":"2.6.25","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.109","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.50","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.109","versionStartIncluding":"2.6.25","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.50","versionStartIncluding":"2.6.25","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.4","versionStartIncluding":"2.6.25","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"2.6.25","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Reject connection when transport allocation fails\n\nhandle_connect_req() returns without action when\nsvc_rdma_create_xprt() fails to allocate the new transport.\nThe CM core returns 0 for CONNECT_REQUEST events, so it does\nnot destroy the new rdma_cm_id. Each allocation failure under\nmemory pressure leaks one rdma_cm_id, and a remote peer driving\nconnection attempts can amplify this.\n\nReject the connection by returning a non-zero status from the\nCM event handler, which tells the CM core to destroy the\norphaned cm_id."}],"providerMetadata":{"dateUpdated":"2026-09-11T19:44:10.769Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6e21754bbf75075f3fee1cebc79f3417364235ec"},{"url":"https://git.kernel.org/stable/c/3cf372cec7ab2cd8c6002bf775cc14d90ccb098b"},{"url":"https://git.kernel.org/stable/c/1f6a14c142fee4778c32709d1d54595c2e2b7991"},{"url":"https://git.kernel.org/stable/c/0944462247dcb7de7622cdaaadf5f05c52707dab"}],"title":"svcrdma: Reject connection when transport allocation fails","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89531","datePublished":"2026-09-11T19:44:10.769Z","dateReserved":"2026-09-11T19:38:34.720Z","dateUpdated":"2026-09-11T19:44:10.769Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-11 20:19:35","lastModifiedDate":"2026-09-11 20:19:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89531","Ordinal":"1","Title":"svcrdma: Reject connection when transport allocation fails","CVE":"CVE-2026-89531","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89531","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Reject connection when transport allocation fails\n\nhandle_connect_req() returns without action when\nsvc_rdma_create_xprt() fails to allocate the new transport.\nThe CM core returns 0 for CONNECT_REQUEST events, so it does\nnot destroy the new rdma_cm_id. Each allocation failure under\nmemory pressure leaks one rdma_cm_id, and a remote peer driving\nconnection attempts can amplify this.\n\nReject the connection by returning a non-zero status from the\nCM event handler, which tells the CM core to destroy the\norphaned cm_id.","Type":"Description","Title":"svcrdma: Reject connection when transport allocation fails"}]}}}