CVE-2026-90154

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90154", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.789Z", "datePublished": "2026-09-17T16:06:47.046Z", "dateUpdated": "2026-10-21T12:50:09.901Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:50:09.901Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/connection.c", "fs/smb/server/connection.h", "fs/smb/server/mgmt/user_session.c", "fs/smb/server/smb2pdu.c"], "versions": [{"version": "f5a544e3bab78142207e0242d22442db85ba1eff", "lessThan": "3deefd5fb1368e2577144b0961b1a5df26b587d1", "status": "affected", "versionType": "git"}, {"version": "f5a544e3bab78142207e0242d22442db85ba1eff", "lessThan": "3d66f3ec3c69fa242939a9f9e6815df33390b1bb", "status": "affected", "versionType": "git"}, {"version": "f5a544e3bab78142207e0242d22442db85ba1eff", "lessThan": "1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b", "status": "affected", "versionType": "git"}, {"version": "f5a544e3bab78142207e0242d22442db85ba1eff", "lessThan": "0875872718b98e8530fbc634e5aa7dbd3253b80d", "status": "affected", "versionType": "git"}, {"version": "f5a544e3bab78142207e0242d22442db85ba1eff", "lessThan": "c50e628122aed077695669e25b842e778511a43d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/server/connection.c", "fs/smb/server/connection.h", "fs/smb/server/mgmt/user_session.c", "fs/smb/server/smb2pdu.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.15", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "7.3"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-90154", "lastModified": "2026-10-21T13:20:40.973", "metrics": {}, "published": "2026-09-17T17:17:08.500", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0875872718b98e8530fbc634e5aa7dbd3253b80d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ff0e41afbe73240a7d7b96d4e8e86d0aaf0fe0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d66f3ec3c69fa242939a9f9e6815df33390b1bb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3deefd5fb1368e2577144b0961b1a5df26b587d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c50e628122aed077695669e25b842e778511a43d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f5a544e3bab78142207e0242d22442db85ba1eff,0875872718b98e8530fbc634e5aa7dbd3253b80d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f5a544e3bab78142207e0242d22442db85ba1eff,c50e628122aed077695669e25b842e778511a43d)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,8.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-18T16:45:11.000061+00:00", "updated": "2026-09-20T03:00:11.242771+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-682", "CWE-285"]}