VULNERABILITY INTELLIGENCE

CVE-2023-3439

CVSS score4.7 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2023-06-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service.

Weakness classification

  • patrick@puiterwijk.org: CWE-416
  • nvd@nist.gov: CWE-416

Primary references