{"api_version":"1","generated_at":"2026-10-22T11:33:33+00:00","cve":"CVE-2026-90154","urls":{"html":"https://cve.report/CVE-2026-90154","api":"https://cve.report/api/cve/CVE-2026-90154.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90154","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90154"},"summary":{"title":"ksmbd: scope session state changes to bound connections","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: scope session state changes to bound connections\n\nksmbd_all_conn_set_status() treats every connection whose transient\nbinding flag is set as belonging to the target SessionId.  A logoff or\nsession replacement can consequently move an unrelated connection to\nNEED_RECONNECT or NEED_SETUP.\n\nPass the target session itself and select connections using either the\nconnection-local session xarray or the session's permanent channel list.\nUse the same association test while waiting for requests to drain.\n\nSerialize session-wide status changes under request_lock and do not\noverwrite EXITING or RELEASING. Protect the shutdown transition with the\nsame lock so a concurrent session update cannot revive a closing\nconnection.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:08","updated_at":"2026-10-21 13:20:40"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/3deefd5fb1368e2577144b0961b1a5df26b587d1","name":"https://git.kernel.org/stable/c/3deefd5fb1368e2577144b0961b1a5df26b587d1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0875872718b98e8530fbc634e5aa7dbd3253b80d","name":"https://git.kernel.org/stable/c/0875872718b98e8530fbc634e5aa7dbd3253b80d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b","name":"https://git.kernel.org/stable/c/1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3d66f3ec3c69fa242939a9f9e6815df33390b1bb","name":"https://git.kernel.org/stable/c/3d66f3ec3c69fa242939a9f9e6815df33390b1bb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c50e628122aed077695669e25b842e778511a43d","name":"https://git.kernel.org/stable/c/c50e628122aed077695669e25b842e778511a43d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90154","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90154","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f5a544e3bab78142207e0242d22442db85ba1eff 3deefd5fb1368e2577144b0961b1a5df26b587d1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f5a544e3bab78142207e0242d22442db85ba1eff 3d66f3ec3c69fa242939a9f9e6815df33390b1bb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f5a544e3bab78142207e0242d22442db85ba1eff 1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f5a544e3bab78142207e0242d22442db85ba1eff 0875872718b98e8530fbc634e5aa7dbd3253b80d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f5a544e3bab78142207e0242d22442db85ba1eff c50e628122aed077695669e25b842e778511a43d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.160 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.114 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.57 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * 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":["fs/smb/server/connection.c","fs/smb/server/connection.h","fs/smb/server/mgmt/user_session.c","fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"3deefd5fb1368e2577144b0961b1a5df26b587d1","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"3d66f3ec3c69fa242939a9f9e6815df33390b1bb","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"0875872718b98e8530fbc634e5aa7dbd3253b80d","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"c50e628122aed077695669e25b842e778511a43d","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/connection.c","fs/smb/server/connection.h","fs/smb/server/mgmt/user_session.c","fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.160","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.114","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.57","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.160","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.114","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.57","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"5.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"5.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: scope session state changes to bound connections\n\nksmbd_all_conn_set_status() treats every connection whose transient\nbinding flag is set as belonging to the target SessionId.  A logoff or\nsession replacement can consequently move an unrelated connection to\nNEED_RECONNECT or NEED_SETUP.\n\nPass the target session itself and select connections using either the\nconnection-local session xarray or the session's permanent channel list.\nUse the same association test while waiting for requests to drain.\n\nSerialize session-wide status changes under request_lock and do not\noverwrite EXITING or RELEASING. Protect the shutdown transition with the\nsame lock so a concurrent session update cannot revive a closing\nconnection."}],"providerMetadata":{"dateUpdated":"2026-10-21T12:50:09.901Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/3deefd5fb1368e2577144b0961b1a5df26b587d1"},{"url":"https://git.kernel.org/stable/c/3d66f3ec3c69fa242939a9f9e6815df33390b1bb"},{"url":"https://git.kernel.org/stable/c/1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b"},{"url":"https://git.kernel.org/stable/c/0875872718b98e8530fbc634e5aa7dbd3253b80d"},{"url":"https://git.kernel.org/stable/c/c50e628122aed077695669e25b842e778511a43d"}],"title":"ksmbd: scope session state changes to bound connections","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90154","datePublished":"2026-09-17T16:06:47.046Z","dateReserved":"2026-09-11T19:38:34.789Z","dateUpdated":"2026-10-21T12:50:09.901Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:08","lastModifiedDate":"2026-10-21 13:20:40","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90154","Ordinal":"1","Title":"ksmbd: scope session state changes to bound connections","CVE":"CVE-2026-90154","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90154","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: scope session state changes to bound connections\n\nksmbd_all_conn_set_status() treats every connection whose transient\nbinding flag is set as belonging to the target SessionId.  A logoff or\nsession replacement can consequently move an unrelated connection to\nNEED_RECONNECT or NEED_SETUP.\n\nPass the target session itself and select connections using either the\nconnection-local session xarray or the session's permanent channel list.\nUse the same association test while waiting for requests to drain.\n\nSerialize session-wide status changes under request_lock and do not\noverwrite EXITING or RELEASING. Protect the shutdown transition with the\nsame lock so a concurrent session update cannot revive a closing\nconnection.","Type":"Description","Title":"ksmbd: scope session state changes to bound connections"}]}}}