{"api_version":"1","generated_at":"2026-08-15T08:46:03+00:00","cve":"CVE-2026-74345","urls":{"html":"https://cve.report/CVE-2026-74345","api":"https://cve.report/api/cve/CVE-2026-74345.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74345","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74345"},"summary":{"title":"RDMA/siw: Fix endpoint/socket association handling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix endpoint/socket association handling\n\nDisassociating a socket from an endpoint via siw_socket_disassoc() may\nrelease the last reference on that endpoint and free it. Therefore, don't\nclear the endpoints socket pointer after calling that function, but\nwithin.\n\nThis fixes a:\n\n  BUG: KASAN: slab-use-after-free in siw_cm_work_handler (drivers/infiniband/sw/siw/siw_cm.c:1053 drivers/infiniband/sw/siw/siw_cm.c:1075)\n\nwhich occurred after processing a malformed MPA request during connection\nestablishment, causing the new endpoint to be closed.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:35","updated_at":"2026-08-15 06:22:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b6cf763eee0a932792bef64ceaca568d324192fc","name":"https://git.kernel.org/stable/c/b6cf763eee0a932792bef64ceaca568d324192fc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ea4f6f6c53577fb3f05dbd78b15e586772d49831","name":"https://git.kernel.org/stable/c/ea4f6f6c53577fb3f05dbd78b15e586772d49831","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f6183983ce1ff254d629a333739082b39d7c5eb6","name":"https://git.kernel.org/stable/c/f6183983ce1ff254d629a333739082b39d7c5eb6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b28d513393f81e2de00f82970487a9d001557e4e","name":"https://git.kernel.org/stable/c/b28d513393f81e2de00f82970487a9d001557e4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74345","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74345","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6c52fdc244b5ccc468006fd65a504d4ee33743c7 b28d513393f81e2de00f82970487a9d001557e4e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6c52fdc244b5ccc468006fd65a504d4ee33743c7 f6183983ce1ff254d629a333739082b39d7c5eb6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6c52fdc244b5ccc468006fd65a504d4ee33743c7 b6cf763eee0a932792bef64ceaca568d324192fc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6c52fdc244b5ccc468006fd65a504d4ee33743c7 ea4f6f6c53577fb3f05dbd78b15e586772d49831 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.3 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-rc1 * 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":["drivers/infiniband/sw/siw/siw_cm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b28d513393f81e2de00f82970487a9d001557e4e","status":"affected","version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","versionType":"git"},{"lessThan":"f6183983ce1ff254d629a333739082b39d7c5eb6","status":"affected","version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","versionType":"git"},{"lessThan":"b6cf763eee0a932792bef64ceaca568d324192fc","status":"affected","version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","versionType":"git"},{"lessThan":"ea4f6f6c53577fb3f05dbd78b15e586772d49831","status":"affected","version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/sw/siw/siw_cm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.3"},{"lessThan":"5.3","status":"unaffected","version":"0","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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"5.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix endpoint/socket association handling\n\nDisassociating a socket from an endpoint via siw_socket_disassoc() may\nrelease the last reference on that endpoint and free it. Therefore, don't\nclear the endpoints socket pointer after calling that function, but\nwithin.\n\nThis fixes a:\n\n  BUG: KASAN: slab-use-after-free in siw_cm_work_handler (drivers/infiniband/sw/siw/siw_cm.c:1053 drivers/infiniband/sw/siw/siw_cm.c:1075)\n\nwhich occurred after processing a malformed MPA request during connection\nestablishment, causing the new endpoint to be closed."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:33.906Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/b28d513393f81e2de00f82970487a9d001557e4e"},{"url":"https://git.kernel.org/stable/c/f6183983ce1ff254d629a333739082b39d7c5eb6"},{"url":"https://git.kernel.org/stable/c/b6cf763eee0a932792bef64ceaca568d324192fc"},{"url":"https://git.kernel.org/stable/c/ea4f6f6c53577fb3f05dbd78b15e586772d49831"}],"title":"RDMA/siw: Fix endpoint/socket association handling","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74345","datePublished":"2026-08-15T05:58:33.906Z","dateReserved":"2026-08-15T05:44:03.886Z","dateUpdated":"2026-08-15T05:58:33.906Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:35","lastModifiedDate":"2026-08-15 06:22:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74345","Ordinal":"1","Title":"RDMA/siw: Fix endpoint/socket association handling","CVE":"CVE-2026-74345","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74345","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix endpoint/socket association handling\n\nDisassociating a socket from an endpoint via siw_socket_disassoc() may\nrelease the last reference on that endpoint and free it. Therefore, don't\nclear the endpoints socket pointer after calling that function, but\nwithin.\n\nThis fixes a:\n\n  BUG: KASAN: slab-use-after-free in siw_cm_work_handler (drivers/infiniband/sw/siw/siw_cm.c:1053 drivers/infiniband/sw/siw/siw_cm.c:1075)\n\nwhich occurred after processing a malformed MPA request during connection\nestablishment, causing the new endpoint to be closed.","Type":"Description","Title":"RDMA/siw: Fix endpoint/socket association handling"}]}}}