Critical severity9.1NVD Advisory· Published Feb 21, 2024· Updated Aug 15, 2026

CVE-2023-52441

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.

AI Insight

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

Affected products

Linux/Kernel3 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15.0,<5.15.145
- (no CPE)
- (no CPE)range: 5.15
osv-coords
pkg:linux/kernel
Range: < 5.15.145

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bcnvdPatch
git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452bnvdPatch
git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40bnvdPatch
git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895fnvdPatch

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cvss	0.591
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000