PT-2023-2824 · Linux+5 · Linux Kernel+5

Quentin Minster + 1 · Published 2023-04-27 · Updated 2024-08-27 · CVE-2023-32247

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 issue results from the lack of control of resource consumption when handling SMB2 SESSION SETUP commands. An attacker can leverage this to create a denial-of-service condition on the system. The vulnerability is related to incorrect resource release, allowing a remote attacker to cause a denial-of-service using the SMB2 SESSION SETUP command.

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

DoS

Improper Resource Release

Memory Leak

Weakness Enumeration

CWE-404

CWE-401

Related Identifiers

ALT-PU-2024-4263

ALT-PU-2024-4843

AZL-27643

AZL-27765

BDU:2023-02750

CVE-2023-32247

OESA-2023-1634

OESA-2023-1635

OESA-2023-1636

USN-6338-1

USN-6338-2

USN-6344-1

USN-6704-1

USN-6704-2

USN-6704-3

USN-6704-4

USN-6705-1

ZDI-23-695

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Red Os

Ubuntu

References · 81

• https://zerodayinitiative.com/advisories/ZDI-23-695 · Security Note
• https://osv.dev/vulnerability/AZL-27643 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-27765 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6338-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-0340 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2219803 · Patch
• https://ubuntu.com/security/CVE-2023-2898 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6704-2 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6338-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6705-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-51779 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-51782 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-32250 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-4206 · Security Note
• https://ubuntu.com/security/notices/USN-6344-1 · Vendor Advisory