CVE-2023-52441

HIGH

Linux Kernel 5.15.0-5.15.145 - Out-of-Bounds Write in ksmbd SMB2 Response Header Initialization

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0038
EPSS Percentile 29.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-119
Status published
Products (11)
Linux/Linux < 5.15
Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - 330d900620dfc9893011d725b3620cd2ee0bc2bc
Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - 536bb492d39bb6c080c92f31e8a55fe9934f452b
Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - 5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b
Linux/Linux 0626e6641f6b467447c81dd7678a69c66f7746cf - aa669ef229ae8dd779da9caa24e254964545895f
Linux/Linux 5.15
Linux/Linux 5.15.145 - 5.15.*
Linux/Linux 6.1.53 - 6.1.*
Linux/Linux 6.4.16 - 6.4.*
Linux/Linux 6.5
... and 1 more
Published Feb 21, 2024
Tracked Since Feb 18, 2026