{"id":"CVE-2023-32249","summary":"ksmbd: not allow guest user on multichannel","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: not allow guest user on multichannel\n\nThis patch return STATUS_NOT_SUPPORTED if binding session is guest.","modified":"2026-08-17T04:12:44.520531944Z","published":"2025-08-16T13:25:49.645Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32249.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/088131b7b01099720a528a72005ff17868705d40"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1f0490586544455e5be698be2e6c30077b4ec461"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4a98e859c4673013385a54084e0cd865695ca072"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ed76d3a8910be06cd4e4ba63bf6075bf903945a1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/32xxx/CVE-2023-32249.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-32249"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f5a544e3bab78142207e0242d22442db85ba1eff"},{"fixed":"ed76d3a8910be06cd4e4ba63bf6075bf903945a1"},{"fixed":"1f0490586544455e5be698be2e6c30077b4ec461"},{"fixed":"4a98e859c4673013385a54084e0cd865695ca072"},{"fixed":"088131b7b01099720a528a72005ff17868705d40"},{"fixed":"3353ab2df5f68dab7da8d5ebb427a2d265a1f2b2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-32249.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"5.15.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.28"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.15"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.3.2"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-32249.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}