CVE-2023-3866 — ksmbd: validate session id and tree id in the compound request
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in the compound request This patch validate session id and tree id i…
Published: 2025-08-16 · CVSS: 7.5 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in the compound request This patch validate session id and tree id in compound request. If first operation in the compound is SMB2 ECHO request, ksmbd bypass session and tree validation. So work->sess and work->tcon could be NULL. If secound request in the compound access work->sess or tcon, It cause NULL pointer dereferecing error.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7