Unrated severityNVD Advisory· Published Feb 21, 2024· Updated May 4, 2025

ksmbd: fix out of bounds in init_smb2_rsp_hdr()

CVE-2023-52441

Description

In the Linux kernel, the following vulnerability has been resolved:

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 5.15
Linux/Ksmbdllm-fuzzy

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bcmitre
git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452bmitre
git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40bmitre
git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895fmitre

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