CVE-2023-52441: Linux Kernel

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: from 5.15.0, before 5.15.145 (fixed in 5.15.145); from 5.16.0, before 6.1.53 (fixed in 6.1.53); from 6.2.0, before 6.4.16 (fixed in 6.4.16)

Published 2024-02-21. Last modified 2026-08-15.