VULNERABILITY INTELLIGENCE

CVE-2023-39180

CVSS score4 MEDIUM
EPSS probability1.44%
CISA KEVNot currently listed
Published2024-11-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

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.

Weakness classification

  • patrick@puiterwijk.org: CWE-400
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-125

Primary references