PT-2023-4694 · Linux+5 · Linux Kernel+5

Published 2023-06-26 · Updated 2025-10-17 · CVE-2023-3867

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

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

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

Description The issue is related to a buffer overflow in the ksmbd module of the Linux kernel, allowing a remote attacker to potentially execute arbitrary code. This is due to an out-of-bounds read vulnerability in the memory.

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

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2023-05115

CVE-2023-3867

OESA-2023-1585

OESA-2023-1586

OESA-2023-1587

SUSE-SU-2025:03272-1

SUSE-SU-2025:03290-1

SUSE-SU-2025:03301-1

SUSE-SU-2025:03382-1

SUSE-SU-2025:03602-1

SUSE-SU-2025:03633-1

SUSE-SU-2025:03634-1

SUSE-SU-2025:20653-1

SUSE-SU-2025:20669-1

SUSE-SU-2025:20739-1

SUSE-SU-2025:20756-1

SUSE-SU-2025_03272-1

SUSE-SU-2025_03290-1

SUSE-SU-2025_03301-1

SUSE-SU-2025_03382-1

SUSE-SU-2025_03633-1

USN-6464-1

USN-6466-1

USN-6520-1

USN-6725-1

USN-6725-2

ZDI-23-981

Affected Products

Astra Linux

Linux Kernel

Linuxmint

Red Os

Suse

Ubuntu

References · 1164

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3867.json · Exploit
• https://ubuntu.com/security/CVE-2023-4244 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26589 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6466-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52443 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-4194 · Security Note
• https://ubuntu.com/security/CVE-2023-38431 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03272-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-3867 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26598 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52610 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-45887 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20653-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-3867 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-21264 · Vendor Advisory