CVE-2023-52441 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ksmbd: fix out of bounds in init_smb2_rsp_hdr()

If client send smb2 negotiate request and then send smb1 negotiate request init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.

Reference

https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b