SB20260815313 - Improper locking in Linux kernel ethernet marvell driver

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Main Vulnerability Database SB20260815313

SB20260815313 - Improper locking in Linux kernel ethernet marvell driver

Published: August 15, 2026

Security Bulletin ID SB20260815313
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper locking (CVE-ID: CVE-2026-72409)

CWE-ID: CWE-667 - Improper Locking

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper state management in the mvneta resume path when resuming the system while NAPI poll is pending after a per-CPU interrupt has been disabled. A local user can trigger a suspend and resume sequence during this condition to cause a denial of service.

This affects Marvell MPIC platforms using the mvneta driver, where the per-CPU interrupt can remain masked after resume and result in complete loss of network connectivity.


Remediation

Install update from vendor's website.

References