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

Published 2023-07-18 · Updated 2025-09-29 · CVE-2023-52441

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Weakness Enumeration

CWE-119

CWE-125

Related Identifiers

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

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Red Os

Ubuntu

References · 109

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52441.json · Exploit
• https://ubuntu.com/security/CVE-2023-52443 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52493 · Security Note
• https://ubuntu.com/security/CVE-2023-52612 · Vendor Advisory
• http://repo.red-soft.ru/redos/7.3c/x86_64/updates · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52436 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52491 · Security Note
• https://ubuntu.com/security/notices/USN-6725-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-24860 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52441 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52492 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20241017SE16 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-24861 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52575 · Security Note
• https://ubuntu.com/security/CVE-2024-26631 · Vendor Advisory