CVE-2023-39180

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 18, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-39180: High severity, CVSS 7.5 | Vulnix