{"api_version":"1","generated_at":"2026-07-23T14:05:30+00:00","cve":"CVE-2026-31409","urls":{"html":"https://cve.report/CVE-2026-31409","api":"https://cve.report/api/cve/CVE-2026-31409.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31409","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31409"},"summary":{"title":"ksmbd: unset conn->binding on failed binding request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: unset conn->binding on failed binding request\n\nWhen a multichannel SMB2_SESSION_SETUP request with\nSMB2_SESSION_REQ_FLAG_BINDING fails ksmbd sets conn->binding = true\nbut never clears it on the error path. This leaves the connection in\na binding state where all subsequent ksmbd_session_lookup_all() calls\nfall back to the global sessions table. 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the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: unset conn->binding on failed binding request\n\nWhen a multichannel SMB2_SESSION_SETUP request with\nSMB2_SESSION_REQ_FLAG_BINDING fails ksmbd sets conn->binding = true\nbut never clears it on the error path. 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This leaves the connection in\na binding state where all subsequent ksmbd_session_lookup_all() calls\nfall back to the global sessions table. This fix it by clearing\nconn->binding = false in the error path.","Type":"Description","Title":"ksmbd: unset conn->binding on failed binding request"}]}}}