Vulnerabilities CVE-2023-52441

CVE-2023-52441

Critical

Open

TLP:CLEAR

ksmbd: fix out of bounds in init_smb2_rsp_hdr()

NVD CVE.org

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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.

Details

CVSS Score: 9.1
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Confidence: 90%
Published: Feb 21, 2024
Last Modified: Aug 15, 2026

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