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.

Classification

CVE ID: CVE-2023-52441

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 18.38% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

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

Timeline