CVE-2025-22037 — ksmbd: fix null pointer dereference in alloc_preauth_hash()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in alloc_preauth_hash() The Client send malformed smb2 negotiate reques…
Published: 2025-04-16 · CVSS: 7.5 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in alloc_preauth_hash() The Client send malformed smb2 negotiate request. ksmbd return error response. Subsequently, the client can send smb2 session setup even thought conn->preauth_info is not allocated. This patch add KSMBD_SESS_NEED_SETUP status of connection to ignore session setup request if smb2 negotiate phase is not complete.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7