{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89531","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.720Z","datePublished":"2026-09-11T19:44:10.769Z","dateUpdated":"2026-09-11T19:44:10.769Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-11T19:44:10.769Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/sunrpc/xprtrdma/svc_rdma_transport.c"],"versions":[{"version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","lessThan":"6e21754bbf75075f3fee1cebc79f3417364235ec","status":"affected","versionType":"git"},{"version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","lessThan":"3cf372cec7ab2cd8c6002bf775cc14d90ccb098b","status":"affected","versionType":"git"},{"version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","lessThan":"1f6a14c142fee4778c32709d1d54595c2e2b7991","status":"affected","versionType":"git"},{"version":"377f9b2f4529e0ac702fd7b91e216afd0adc959e","lessThan":"0944462247dcb7de7622cdaaadf5f05c52707dab","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/sunrpc/xprtrdma/svc_rdma_transport.c"],"versions":[{"version":"2.6.25","status":"affected"},{"version":"0","lessThan":"2.6.25","status":"unaffected","versionType":"semver"},{"version":"6.12.109","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.50","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.4","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"7.3-rc1"}]}]}],"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"}}}}