PT-2023-2818 · Linux+5 · Linux Kernel+5

Quentin Minster + 1 · Published 2023-04-27 · Updated 2024-08-27 · CVE-2023-32252

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2 LOGOFF commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2024-4263

ALT-PU-2024-4843

AZL-27635

AZL-27757

BDU:2023-02744

CVE-2023-32252

USN-6338-1

USN-6338-2

USN-6344-1

USN-6626-1

USN-6626-2

USN-6626-3

USN-6628-1

USN-6628-2

ZDI-23-700

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Red Os

Ubuntu

References · 71

• https://osv.dev/vulnerability/DEBIAN-CVE-2023-32252 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-0193 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6338-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-2898 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-6176 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-46813 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6338-1 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-700 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-32252 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6626-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-32250 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-32252 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6626-3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-34324 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-6040 · Vendor Advisory