PT-2023-8718 · Linux+5 · Linux Kernel+5

Publicado 2023-07-18 · Atualizado 2025-09-29 · CVE-2023-52441

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)

Description The issue is related to the ksmbd module in the Linux kernel, where an out-of-bounds condition occurs in the init smb2 rsp hdr() function when handling the need neg parameter set to false. This happens when a client sends an SMB2 negotiate request followed by an SMB1 negotiate request. The vulnerability may allow a remote attacker to disclose sensitive information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Out of bounds Read

Enumeração de Fraquezas

CWE-119

CWE-125

Identificadores relacionados

ALSA-2025_16880

ALT-PU-2024-4263

ALT-PU-2024-4843

BDU:2024-01676

CVE-2023-52441

OESA-2024-1498

OESA-2024-1499

OESA-2024-1500

OESA-2024-1501

USN-6725-1

USN-6725-2

ZDI-24-228

Produtos afetados

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Red Os

Ubuntu

Referências · 109

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52441.json · Exploit
• https://ubuntu.com/security/CVE-2023-52443 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-52493 · Nota de Segurança
• https://docs.bell-sw.com/security/cves/CVE-2023-52441 · Nota
• https://ubuntu.com/security/CVE-2023-52612 · Aviso do Fabricante
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2023-52436 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-52491 · Nota de Segurança
• https://ubuntu.com/security/notices/USN-6725-2 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2024-24860 · Aviso do Fabricante
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52441 · Aviso do Fabricante
• https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2024-1498 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2023-52492 · Nota de Segurança
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Aviso do Fabricante
• https://t.me/cvenotify/72089 · Publicação no Telegram